All Classes

Class	Description
AbstractInstrument
AbstractSumAggregator<T extends PointData,U extends ExemplarData>
AbstractWeakConcurrentMap<K,V,L>	A thread-safe map with weak keys.
AbstractWeakConcurrentMap.WeakKey<K>
AdaptingCircularBufferCounter	A circle-buffer-backed exponential counter.
AdaptingIntegerArray	An integer array that automatically expands its memory consumption (via copy/allocation) when reaching limits.
AdaptingIntegerArray.ArrayCellSize	Possible sizes of backing arrays.
AdderUtil	This class is internal and is hence not for public use.
Advice	This class is internal and is hence not for public use.
Advice.AdviceBuilder	This class is internal and is hence not for public use.
AdviceAttributesProcessor
Aggregation	Configures how instrument measurements are combined into metrics.
AggregationTemporality
AggregationTemporality
AggregationTemporality	Describes the time period over which measurements are aggregated.
AggregationTemporalitySelector	A functional interface that selects AggregationTemporality based on InstrumentType.
AggregationUtil	This class is internal and is hence not for public use.
Aggregator<T extends PointData,U extends ExemplarData>	Aggregator represents the abstract class for all the available aggregations that can be computed during the collection phase for all the instruments.
AggregatorFactory	An internal interface for returning an Aggregator from an Aggregation.
AggregatorHandle<T extends PointData,U extends ExemplarData>	Aggregator represents the abstract class that is used for synchronous instruments.
AlwaysOffFilter	A filter which makes no measurements eligible for being an exemplar.
AlwaysOffSampler
AlwaysOnFilter	A filter which makes all measurements eligible for being an exemplar.
AlwaysOnSampler
AnchoredClock	A utility for returning wall times anchored to a given point in time.
AndroidFriendlyRandomHolder	RandomSupplier instance that doesn't use ThreadLocalRandom, which is broken on most versions of Android (it uses the same seed everytime it starts up).
AnyValue
AnyValueMarshaler	Utility methods for obtaining AnyValue marshaler.
AnyValueStatelessMarshaler	A Marshaler of key value pairs.
ApiUsageLogger	Helper for API misuse logging.
ArrayAnyValueMarshaler
ArrayAnyValueMarshaler.ArrayValueMarshaler
ArrayAnyValueStatelessMarshaler	A Marshaler of key value pairs.
ArrayBackedAttributes
ArrayBackedAttributesBuilder
ArrayBasedContext
ArrayBasedStack<T>	Array-based Stack.
ArrayBasedTraceState
ArrayBasedTraceStateBuilder
ArrayValue
AsynchronousMetricStorage<T extends PointData,U extends ExemplarData>	Stores aggregated MetricData for asynchronous instruments.
AtomicLongDoubleAdder
AtomicLongLongAdder
AttributeArrayAnyValueStatelessMarshaler<T>	See ArrayAnyValueMarshaler.
AttributeKey<T>	This interface provides a handle for setting the values of Attributes.
AttributeKeyValueStatelessMarshaler	A Marshaler of key value pairs.
AttributeKeyValueStatelessMarshaler.ValueStatelessMarshaler
Attributes	An immutable container for attributes.
AttributesBuilder	A builder of Attributes supporting an arbitrary number of key-value pairs.
AttributesMap	A map with a fixed capacity that drops attributes when the map gets full, and which truncates string and array string attribute values to the AttributesMap.lengthLimit.
AttributesProcessor	An AttributesProcessor is used to define the actual set of attributes that will be used in a Metric vs.
AttributesProcessor.AppendingAttributesProcessor	Processor which appends a static set of Attributes.
AttributesProcessor.AttributeKeyFilteringProcessor	Processor which filters attributes according to a AttributeKey.getKey() Predicate.
AttributesProcessor.BaggageAppendingAttributesProcessor	Processor which appends entries from Baggage with keys that match a predicate.
AttributesProcessor.JoinedAttributesProcessor	A AttributesProcessor that runs a sequence of processors.
AttributesProcessor.SetIncludesPredicate	Predicate which tests if the set includes the input.
AttributeType	An enum that represents all the possible value types for an AttributeKey and hence the types of values that are allowed for Attributes.
AttributeUnit
AttributeUtil	This class is internal and is hence not for public use.
Authenticator	This class is internal and is hence not for public use.
AutoConfigurationCustomizer	A builder for customizing OpenTelemetry auto-configuration.
AutoConfigurationCustomizerProvider	A service provider interface (SPI) for customizing auto-configuration.
AutoConfiguredOpenTelemetrySdk	An auto-configured OpenTelemetry SDK.
AutoConfiguredOpenTelemetrySdkBuilder	A builder for configuring auto-configuration of the OpenTelemetry SDK.
AutoConfigureListener	Interface to be extended by SPIs that require access to the autoconfigured OpenTelemetrySdk instance.
AutoConfigureUtil	This class is internal and is hence not for public use.
AutoValue_Advice
AutoValue_Advice.Builder
AutoValue_ArrayBasedTraceState
AutoValue_AutoConfiguredOpenTelemetrySdk
AutoValue_EmptyExponentialHistogramBuckets
AutoValue_GrpcResponse
AutoValue_ImmutableDoubleExemplarData
AutoValue_ImmutableDoublePointData
AutoValue_ImmutableEntry
AutoValue_ImmutableEntryMetadata
AutoValue_ImmutableEventData
AutoValue_ImmutableExceptionEventData
AutoValue_ImmutableExponentialHistogramBuckets
AutoValue_ImmutableExponentialHistogramData
AutoValue_ImmutableExponentialHistogramPointData
AutoValue_ImmutableGaugeData<T extends PointData>
AutoValue_ImmutableHistogramData
AutoValue_ImmutableHistogramPointData
AutoValue_ImmutableLinkData
AutoValue_ImmutableLongExemplarData
AutoValue_ImmutableLongPointData
AutoValue_ImmutableMeasurement
AutoValue_ImmutableMetricData
AutoValue_ImmutableSamplingResult
AutoValue_ImmutableSpanContext
AutoValue_ImmutableStatusData
AutoValue_ImmutableSumData<T extends PointData>
AutoValue_ImmutableSummaryData
AutoValue_ImmutableSummaryPointData
AutoValue_ImmutableValueAtQuantile
AutoValue_InstrumentationLibraryInfo	Deprecated.
AutoValue_InstrumentationScopeInfo
AutoValue_InstrumentDescriptor
AutoValue_InstrumentSelector
AutoValue_KeyValueImpl
AutoValue_LoggerConfig
AutoValue_LogLimits
AutoValue_MeterConfig
AutoValue_MeterProviderSharedState
AutoValue_MetricDescriptor
AutoValue_ProtoEnumInfo
AutoValue_ProtoFieldInfo
AutoValue_RegisteredView
AutoValue_Resource
AutoValue_RetryPolicy
AutoValue_RetryPolicy.Builder
AutoValue_SdkLogRecordData
AutoValue_SpanLimits_SpanLimitsValue
AutoValue_SpanWrapper
AutoValue_StringBody
AutoValue_TracerConfig
AutoValue_View
Baggage	A map from String to BaggageEntry that can be used to label anything that is associated with a specific operation.
BaggageBuilder	A builder of Baggage.
BaggageCodec	Note: This class is based on code from Apache Commons Codec.
BaggageContextKey	Util class to hold on to the key for storing Baggage in the Context.
BaggageEntry	An entry in a set of baggage.
BaggageEntryMetadata	Metadata associated with an BaggageEntry.
Base2ExponentialHistogramAggregation	Exponential bucket histogram aggregation configuration.
Base2ExponentialHistogramIndexer
BatchCallback	A reference to a batch callback registered via Meter.batchCallback(Runnable, ObservableMeasurement, ObservableMeasurement...).
BatchLogRecordProcessor	Implementation of the LogRecordProcessor that batches logs exported by the SDK then pushes them to the exporter pipeline.
BatchLogRecordProcessor.Worker
BatchLogRecordProcessorBuilder	Builder class for BatchLogRecordProcessor.
BatchSpanProcessor	Implementation of the SpanProcessor that batches spans exported by the SDK then pushes them to the exporter pipeline.
BatchSpanProcessor.Worker
BatchSpanProcessorBuilder	Builder class for BatchSpanProcessor.
Body	Deprecated. Use LogRecordData.getBodyValue() and Value.
Body.Type	Deprecated. Use Value.getType().
BoolAnyValueMarshaler
BoolAnyValueStatelessMarshaler	See BoolAnyValueMarshaler.
BuildIdKind
BytesAnyValueMarshaler
BytesAnyValueStatelessMarshaler	See BytesAnyValueMarshaler.
CallbackRegistration	A registered callback.
CardinalityLimitSelector	Customize the MetricReader cardinality limit as a function of InstrumentType.
CaseInsensitiveMap
Clock	Interface for getting the current time.
CodedInputStream	Minimal copy of protobuf-java's CodedInputStream, currently only used in GrpcStatusUtil.
CodedOutputStream	Protobuf wire encoder.
CodedOutputStream.AbstractBufferedEncoder	Abstract base class for buffered encoders.
CodedOutputStream.OutputStreamEncoder	An CodedOutputStream that decorates an OutputStream.
CollectionRegistration	A CollectionRegistration is passed to each MetricReader registered with SdkMeterProvider, and provides readers the ability to trigger metric collections.
CompletableResultCode	This class models JDK 8's CompletableFuture to afford migration should Open Telemetry's SDK select JDK 8 or greater as a baseline, and also to offer familiarity to developers.
ComponentLoader	A loader for components that are discovered via SPI.
ComponentProvider<T>	Provides configured instances of SDK extension components.
ComponentRegistry<V>	Component (tracer, meter, etc) registry class for all the provider classes (TracerProvider, MeterProvider, etc.).
Compressor	An abstraction for compressing messages.
CompressorProvider	A service provider interface (SPI) for providing Compressors.
CompressorUtil	Utilities for resolving SPI Compressors.
ConditionalResourceProvider	A resource provider that is only applied if the ConditionalResourceProvider.shouldApply(ConfigProperties, Resource) method returns true.
ConfigProperties	Properties used for auto-configuration of the OpenTelemetry SDK components.
ConfigurableLogRecordExporterProvider	A service provider interface (SPI) for providing additional exporters that can be used with the autoconfigured SDK.
ConfigurableMetricExporterProvider	A service provider interface (SPI) for providing additional exporters that can be used with the autoconfigured SDK.
ConfigurableMetricReaderProvider	A service provider interface (SPI) for providing additional metric readers that can be used with the autoconfigured SDK.
ConfigurablePropagatorProvider	A service provider interface (SPI) for providing additional propagators that can be used with the autoconfigured SDK.
ConfigurableSamplerProvider	A service provider interface (SPI) for providing additional samplers that can be used with the autoconfigured SDK.
ConfigurableSpanExporterProvider	A service provider interface (SPI) for providing additional exporters that can be used with the autoconfigured SDK.
ConfigurationException	An exception that is thrown if the user-provided configuration is invalid.
ConfigUtil	Configuration utilities.
Context	A context propagation mechanism which can carry scoped-values across API boundaries and between threads.
ContextExecutorService
ContextKey<T>	Key for indexing values of type ContextKey stored in a Context.
ContextPropagators	A container of the registered propagators for every supported format.
ContextScheduledExecutorService
ContextStorage	The storage for storing and retrieving the current Context.
ContextStorageProvider	A Java SPI (Service Provider Interface) to allow replacing the default ContextStorage.
ContextStorageWrappers	Holder of functions to wrap the used ContextStorage.
Contract	Specifies some aspects of the method behavior depending on the arguments.
CurrentContextExecutorService
CurrentContextScheduledExecutorService
CurrentJavaVersionSpecific
DaemonThreadFactory	A ThreadFactory that delegates to Executors.defaultThreadFactory() and marks all threads as daemon.
Data<T extends PointData>	A collection of metric PointData.
DebugConfig	Determines if the SDK is in debugging mode (captures stack traces) or not.
DebugUtils	Utilities for logging metric diagnostic issues.
DefaultAggregation	Aggregation that selects the specified default based on instrument.
DefaultAggregationSelector	A functional interface that selects default Aggregation based on InstrumentType.
DefaultConfigProperties	Properties are normalized to The properties for both of these will be normalized to be all lower case, dashses are replaces with periods, and environment variable underscores are replaces with periods.
DefaultContextKey<T>
DefaultContextPropagators	DefaultContextPropagators is the default, built-in implementation of ContextPropagators.
DefaultEventLogger
DefaultEventLogger.NoOpEventBuilder
DefaultEventLoggerProvider
DefaultEventLoggerProvider.NoopEventLoggerBuilder
DefaultLogger
DefaultLogger.NoopLogRecordBuilder
DefaultLoggerProvider
DefaultLoggerProvider.NoopLoggerBuilder
DefaultMeter	No-op implementation of Meter.
DefaultMeter.NoopDoubleCounter
DefaultMeter.NoopDoubleCounterBuilder
DefaultMeter.NoopDoubleGauge
DefaultMeter.NoopDoubleGaugeBuilder
DefaultMeter.NoopDoubleHistogram
DefaultMeter.NoopDoubleHistogramBuilder
DefaultMeter.NoopDoubleUpDownCounter
DefaultMeter.NoopDoubleUpDownCounterBuilder
DefaultMeter.NoopLongCounter
DefaultMeter.NoopLongCounterBuilder
DefaultMeter.NoopLongGauge
DefaultMeter.NoopLongGaugeBuilder
DefaultMeter.NoopLongHistogram
DefaultMeter.NoopLongHistogramBuilder
DefaultMeter.NoopLongUpDownCounter
DefaultMeter.NoopLongUpDownCounterBuilder
DefaultMeter.NoopObservableDoubleMeasurement
DefaultMeter.NoopObservableLongMeasurement
DefaultMeterProvider	A MeterProvider that does nothing.
DefaultMeterProvider.NoopMeterBuilder
DefaultOpenTelemetry	The default OpenTelemetry API, which tries to find API implementations via SPI or otherwise falls back to no-op default implementations.
DefaultSynchronousMetricStorage<T extends PointData,U extends ExemplarData>	Stores aggregated MetricData for synchronous instruments.
DefaultSynchronousMetricStorage.AggregatorHolder<T extends PointData,U extends ExemplarData>
DefaultTracer	No-op implementation of Tracer.
DefaultTracer.NoopSpanBuilder
DefaultTracerBuilder
DefaultTracerProvider
DelegatingSpanData	A SpanData which delegates all methods to another SpanData.
DoubleAdder	Interface mirroring the DoubleAdder API, with implementation that varies based on availability of DoubleAdder.
DoubleAnyValueMarshaler
DoubleAnyValueStatelessMarshaler	See DoubleAnyValueMarshaler.
DoubleBase2ExponentialHistogramAggregator	Aggregator that generates base2 exponential histograms.
DoubleBase2ExponentialHistogramAggregator.Handle
DoubleBase2ExponentialHistogramBuckets	This class handles the operations for recording, scaling, and exposing data related to the base2 exponential histogram.
DoubleCounter	A Counter instrument that records double values.
DoubleCounterBuilder	Builder class for DoubleCounter.
DoubleExemplarData	Exemplar data for double measurements.
DoubleExplicitBucketHistogramAggregator	Aggregator that generates explicit bucket histograms.
DoubleExplicitBucketHistogramAggregator.Handle
DoubleGauge	A gauge instrument that synchronously records double values.
DoubleGaugeBuilder	A builder for Gauge metric types.
DoubleHistogram	A Histogram instrument that records double values.
DoubleHistogramBuilder	Builder class for DoubleHistogram.
DoubleLastValueAggregator	Aggregator that aggregates recorded values by storing the last recorded value.
DoubleLastValueAggregator.Handle
DoublePointData	Point data with a double aggregation value.
DoubleSumAggregator	Sum aggregator that keeps values as doubles.
DoubleSumAggregator.Handle
DoubleUpDownCounter	An UpDownCounter instrument that records double values.
DoubleUpDownCounterBuilder	Builder class for DoubleUpDownCounter.
DropAggregation	Configuration representing no aggregation.
DropAggregator	A "null object" Aggregator which denotes no aggregation should occur.
DynamicPrimitiveLongList	A resizable list for storing primitive `long` values.
Element	Represents single element of a W3C baggage header (key or value).
EmptyBody
EmptyExponentialHistogramBuckets	An empty ExponentialHistogramBuckets
EmptyMetricData	This class is internal and is hence not for public use.
EmptyMetricStorage
EmptyStructuredConfigProperties	Empty instance of StructuredConfigProperties.
EnvironmentResourceProvider	ResourceProvider for automatically configuring ResourceConfiguration.createEnvironmentResource(ConfigProperties).
EventBuilder	The EventBuilder is used to EventBuilder.emit() events.
EventData	Data representation of an event.
EventLogger	A EventLogger is the entry point into an event pipeline.
EventLoggerBuilder	Builder class for creating EventLogger instances.
EventLoggerProvider	A registry for creating scoped EventLoggers.
ExceptionEventData	Data representation of an event for a recorded exception.
Exemplar
ExemplarData	An example measurement.
ExemplarFilter	Exemplar filters are used to pre-filter measurements before attempting to store them in a reservoir.
ExemplarMarshaler
ExemplarReservoir<T extends ExemplarData>	An interface for an exemplar reservoir of samples.
ExemplarStatelessMarshaler	See ExemplarMarshaler.
ExplicitBucketHistogramAggregation	Explicit bucket histogram aggregation configuration.
ExplicitBucketHistogramUtils	Utilities for interacting with explicit bucket histograms.
ExponentialHistogram
ExponentialHistogramBuckets	ExponentialHistogramBuckets represents either the positive or negative measurements taken for a ExponentialHistogramPointData.
ExponentialHistogramBucketsMarshaler	This class is internal and is hence not for public use.
ExponentialHistogramBucketsStatelessMarshaler	See ExponentialHistogramBucketsMarshaler.
ExponentialHistogramData	A base-2 exponential histogram metric point, as defined by the OpenTelemetry Exponential Histogram specification.
ExponentialHistogramDataPoint
ExponentialHistogramDataPoint.Buckets
ExponentialHistogramDataPointMarshaler	This class is internal and is hence not for public use.
ExponentialHistogramDataPointStatelessMarshaler	See ExponentialHistogramDataPointMarshaler.
ExponentialHistogramMarshaler	This class is internal and is hence not for public use.
ExponentialHistogramPointData	ExponentialHistogramPointData represents an approximate distribution of measurements across exponentially increasing bucket boundaries, taken for a ExponentialHistogramData.
ExponentialHistogramStatelessMarshaler	See ExponentialHistogramMarshaler.
ExporterBuilderUtil	Utilities for exporter builders.
ExporterMetrics	Helper for recording metrics from exporters.
ExportLogsServiceRequest
ExportLogsServiceResponse
ExportMetricsServiceRequest
ExportMetricsServiceResponse
ExportProfilesServiceRequest
ExportTraceServiceRequest
ExportTraceServiceResponse
ExtendedContextPropagators	Utility class to simplify context propagation.
ExtendedDefaultLogger
ExtendedDefaultLogger.NoopLogRecordBuilder
ExtendedDefaultLoggerProvider
ExtendedDefaultLoggerProvider.NoopLoggerBuilder
ExtendedDefaultMeter	No-op implementation of Meter.
ExtendedDefaultMeter.NoopDoubleCounter
ExtendedDefaultMeter.NoopDoubleCounterBuilder
ExtendedDefaultMeter.NoopDoubleGauge
ExtendedDefaultMeter.NoopDoubleGaugeBuilder
ExtendedDefaultMeter.NoopDoubleHistogram
ExtendedDefaultMeter.NoopDoubleHistogramBuilder
ExtendedDefaultMeter.NoopDoubleUpDownCounter
ExtendedDefaultMeter.NoopDoubleUpDownCounterBuilder
ExtendedDefaultMeter.NoopLongCounter
ExtendedDefaultMeter.NoopLongCounterBuilder
ExtendedDefaultMeter.NoopLongGauge
ExtendedDefaultMeter.NoopLongGaugeBuilder
ExtendedDefaultMeter.NoopLongHistogram
ExtendedDefaultMeter.NoopLongHistogramBuilder
ExtendedDefaultMeter.NoopLongUpDownCounter
ExtendedDefaultMeter.NoopLongUpDownCounterBuilder
ExtendedDefaultMeter.NoopObservableDoubleMeasurement
ExtendedDefaultMeter.NoopObservableLongMeasurement
ExtendedDefaultMeterProvider	A MeterProvider that does nothing.
ExtendedDefaultMeterProvider.NoopMeterBuilder
ExtendedDefaultTracer	No-op implementation of ExtendedTracer.
ExtendedDefaultTracer.NoopSpanBuilder
ExtendedDefaultTracerBuilder
ExtendedDefaultTracerProvider
ExtendedDoubleCounter	Extended DoubleCounter with experimental APIs.
ExtendedDoubleCounterBuilder	Extended DoubleCounterBuilder with experimental APIs.
ExtendedDoubleGauge	Extended DoubleGauge with experimental APIs.
ExtendedDoubleGaugeBuilder	Extended DoubleGaugeBuilder with experimental APIs.
ExtendedDoubleHistogram	Extended DoubleHistogram with experimental APIs.
ExtendedDoubleHistogramBuilder	Extended DoubleHistogramBuilder with experimental APIs.
ExtendedDoubleUpDownCounter	Extended DoubleUpDownCounter with experimental APIs.
ExtendedDoubleUpDownCounterBuilder	Extended DoubleUpDownCounterBuilder with experimental APIs.
ExtendedLogger	Extended Logger with experimental APIs.
ExtendedLogRecordBuilder	Extended LogRecordBuilder with experimental APIs.
ExtendedLongCounter	Extended DoubleCounter with experimental APIs.
ExtendedLongCounterBuilder	Extended LongCounterBuilder with experimental APIs.
ExtendedLongGauge	Extended LongGauge with experimental APIs.
ExtendedLongGaugeBuilder	Extended LongGaugeBuilder with experimental APIs.
ExtendedLongHistogram	Extended LongHistogram with experimental APIs.
ExtendedLongHistogramBuilder	Extended LongHistogramBuilder with experimental APIs.
ExtendedLongUpDownCounter	Extended LongUpDownCounter with experimental APIs.
ExtendedLongUpDownCounterBuilder	Extended LongUpDownCounterBuilder with experimental APIs.
ExtendedSpanBuilder	Extended SpanBuilder with experimental APIs.
ExtendedSpanProcessor	Extended SpanProcessor with experimental APIs.
ExtendedTracer	Extended Tracer with experimental APIs.
FailedExportException	Represents the failure of a gRPC or HTTP exporter.
FailedExportException.GrpcExportException	Represents the failure of a gRPC exporter.
FailedExportException.HttpExportException	Represents the failure of an HTTP exporter.
FilteredAttributes	Filtered attributes is a filtered view of a ImmutableKeyValuePairs backed Attributes instance.
FilteredAttributes.RegularFilteredAttributes	Implementation that can handle attributes of arbitrary size by storing filter status in a BitSet.
FilteredAttributes.SmallFilteredAttributes	Implementation that relies on the source having less than FilteredAttributes.SmallFilteredAttributes.BITS_PER_INTEGER attributes, and storing entry filter status in the bits of an integer.
FilteredExemplarReservoir<T extends ExemplarData>	A reservoir that has a pre-filter on measurements.
FixedSizeExemplarReservoir<T extends ExemplarData>	Base for fixed-size reservoir sampling of Exemplars.
ForwardingExecutorService	A ExecutorService that implements methods that don't need Context.
Function
Gauge
GaugeData<T extends PointData>	Data for a MetricDataType.LONG_GAUGE or MetricDataType.DOUBLE_GAUGE metric.
GaugeMarshaler
GaugeStatelessMarshaler	See GaugeMarshaler.
GlobalEventLoggerProvider	This class provides a temporary global accessor for EventLoggerProvider until the event API is marked stable.
GlobalOpenTelemetry	A global singleton for the entrypoint to telemetry functionality for tracing, metrics and baggage.
GlobalOpenTelemetry.ObfuscatedOpenTelemetry	Static global instances are obfuscated when they are returned from the API to prevent users from casting them to their SDK-specific implementation.
GlobUtil	Utilities for glob pattern matching.
GrpcExporter<T extends Marshaler>	Generic gRPC exporter.
GrpcExporterBuilder<T extends Marshaler>	A builder for GrpcExporter.
GrpcExporterUtil	This class is internal and is hence not for public use.
GrpcResponse	This class is internal and is hence not for public use.
GrpcSender<T extends Marshaler>	An exporter of a messages encoded by Marshaler using the gRPC wire format.
GrpcSenderProvider	A service provider interface (SPI) for providing GrpcSenders backed by different client libraries.
GuardedBy	The field or method to which this annotation is applied can only be accessed when holding a particular lock, which may be a built-in (synchronization) lock, or may be an explicit Lock.
GzipCompressor	Gzip Compressor.
Histogram
HistogramData	Data for a MetricDataType.HISTOGRAM metric.
HistogramDataPoint
HistogramDataPointMarshaler
HistogramDataPointStatelessMarshaler	See HistogramDataPointMarshaler.
HistogramExemplarReservoir	A reservoir that records the latest measurement for each histogram bucket.
HistogramExemplarReservoir.HistogramCellSelector
HistogramMarshaler
HistogramPointData	Point data for HistogramData.
HistogramPointDataValidations	Validations for HistogramPointData.
HistogramStatelessMarshaler	See HistogramMarshaler.
HttpExporter<T extends Marshaler>	An exporter for http/protobuf or http/json using a signal-specific Marshaler.
HttpExporterBuilder<T extends Marshaler>	A builder for HttpExporter.
HttpSender	An abstraction for sending HTTP requests and handling responses.
HttpSender.Response	The HTTP response.
HttpSenderProvider	A service provider interface (SPI) for providing HttpSenders backed by different HTTP client libraries.
IdGenerator	Interface used by the SdkTracer to generate new SpanIds and TraceIds.
ImmutableBaggage
ImmutableBaggage.Builder
ImmutableDoubleExemplarData	An ExemplarData with double measurements.
ImmutableDoublePointData	DoublePoint is a single data point in a timeseries that describes the time-varying value of a double metric.
ImmutableEntry	String-String key-value pair, along with ImmutableEntryMetadata.
ImmutableEntryMetadata
ImmutableEventData	An immutable implementation of the EventData.
ImmutableExceptionEventData	An effectively immutable implementation of ExceptionEventData.
ImmutableExponentialHistogramBuckets	Auto value implementation of ExponentialHistogramBuckets.
ImmutableExponentialHistogramData	Auto value implementation of ExponentialHistogramData.
ImmutableExponentialHistogramPointData	Auto value implementation of ExponentialHistogramPointData.
ImmutableGaugeData<T extends PointData>	GaugeData recorded uses doubles.
ImmutableHistogramData	A histogram metric point.
ImmutableHistogramPointData	An approximate representation of the distribution of measurements.
ImmutableKeyValuePairs<K,V>	An immutable set of key-value pairs.
ImmutableLinkData	An immutable implementation of LinkData.
ImmutableLongExemplarData	An ExemplarData with long measurements.
ImmutableLongPointData	LongPoint is a single data point in a timeseries that describes the time-varying values of a int64 metric.
ImmutableMeasurement	A long or double measurement recorded from ObservableLongMeasurement or ObservableDoubleMeasurement.
ImmutableMetricData	A container of metrics.
ImmutableSamplingResult
ImmutableSpanContext	This class is internal and is hence not for public use.
ImmutableStatusData	Defines the status of a Span by providing a standard StatusCode in conjunction with an optional descriptive message.
ImmutableSumData<T extends PointData>	SumData recorded uses doubles.
ImmutableSummaryData	A summary metric point.
ImmutableSummaryPointData	A single data point that summarizes the values in a time series of numeric values.
ImmutableTraceFlags
ImmutableValueAtQuantile	A summary metric value.
ImplicitContextKeyed	A value that can be stored inside Context.
IncubatingUtil	Incubating utilities.
InstrumentationLibraryInfo	Deprecated. Use InstrumentationScopeInfo.
InstrumentationScope
InstrumentationScopeInfo	Holds information about instrumentation scope.
InstrumentationScopeInfoBuilder	A builder for InstrumentationScopeInfo.
InstrumentationScopeLogsMarshaler
InstrumentationScopeLogsStatelessMarshaler	See InstrumentationScopeLogsMarshaler.
InstrumentationScopeMarshaler	A Marshaler of InstrumentationScopeInfo.
InstrumentationScopeMarshaler.RealInstrumentationScopeMarshaler
InstrumentationScopeMetricsMarshaler
InstrumentationScopeMetricsStatelessMarshaler	See InstrumentationScopeMetricsMarshaler.
InstrumentationScopeSpansMarshaler
InstrumentationScopeSpansStatelessMarshaler	See InstrumentationScopeSpansMarshaler.
InstrumentationScopeUtil	This class is internal and is hence not for public use.
InstrumentationUtil	This class is internal and is hence not for public use.
InstrumentationUtil	Deprecated. use InstrumentationUtil instead.
InstrumentBuilder	Helper to make implementing builders easier.
InstrumentBuilder.SwapBuilder<T>
InstrumentBuilder.SynchronousInstrumentConstructor<I extends AbstractInstrument>
InstrumentDescriptor	Describes an instrument that was registered to record data.
InstrumentSelector	Instrument selection criteria for applying Views registered via SdkMeterProviderBuilder.registerView(InstrumentSelector, View).
InstrumentSelectorBuilder	Builder for InstrumentSelector.
InstrumentType	All possible instrument types.
InstrumentValueType	All possible measurement value types.
IntAnyValueMarshaler
IntAnyValueStatelessMarshaler	See IntAnyValueMarshaler.
InternalAttributeKeyImpl<T>	Default AttributeKey implementation which preencodes to UTF8 for OTLP export.
JavaVersionSpecific	Contains APIs that are implemented differently based on the version of Java being run.
JcTools	Internal accessor of JCTools package for fast queues.
JreDoubleAdder
JreLongAdder
JsonSerializer
KeyValue	Key-value pair of String key and Value value.
KeyValue
KeyValueImpl
KeyValueList
KeyValueList
KeyValueListAnyValueMarshaler
KeyValueListAnyValueMarshaler.KeyValueListMarshaler
KeyValueListAnyValueStatelessMarshaler	A Marshaler of key value pairs.
KeyValueMarshaler	A Marshaler of key value pairs.
KeyValueStatelessMarshaler	A Marshaler of key value pairs.
Label
LastValueAggregation	Last-value aggregation configuration.
LazyStorage
Line
Link
LinkData	Data representation of a link.
Location
Logger	A Logger is the entry point into a log pipeline.
LoggerBuilder	Builder class for creating Logger instances.
LoggerConfig	A collection of configuration options which define the behavior of a Logger.
LoggerProvider	A registry for creating scoped Loggers.
LoggerProviderConfiguration
LoggerSharedState	Represents shared state and config between all SdkLoggers created by the same SdkLoggerProvider.
LogLimits	Class that holds limits enforced during log recording.
LogLimitsBuilder	Builder for LogLimits.
LogMarshaler
LogRecord
LogRecordBuilder	Used to construct and emit log records from a Logger.
LogRecordData	Log definition as described in OpenTelemetry Log Data Model.
LogRecordExporter	An exporter is responsible for taking a collection of LogRecordDatas and transmitting them to their ultimate destination.
LogRecordExporterConfiguration
LogRecordProcessor	LogRecordProcessor is the interface to allow synchronous hooks for log records emitted by Loggers.
LogReusableDataMarshaler	This class is internal and is hence not for public use.
LogsRequestMarshaler	Marshaler to convert SDK LogRecordData to OTLP ExportLogsServiceRequest.
LogStatelessMarshaler	See LogMarshaler.
LongAdder	Interface mirroring the LongAdder API, with implementation that varies based on availability of LongAdder.
LongCounter	A Counter instrument that records long values.
LongCounterBuilder	Builder class for LongCounter.
LongExemplarData	Exemplar data for long measurements.
LongGauge	A gauge instrument that synchronously records long values.
LongGaugeBuilder	A builder for Gauge metric types.
LongHistogram	A Histogram instrument that records long values.
LongHistogramBuilder	Builder class for LongHistogram.
LongLastValueAggregator	Aggregator that aggregates recorded values by storing the last recorded value.
LongLastValueAggregator.Handle
LongPointData	A point data with a double aggregation value.
LongSumAggregator	Sum aggregator that keeps values as longs.
LongSumAggregator.Handle
LongToDoubleExemplarReservoir<T extends ExemplarData>
LongUpDownCounter	An UpDownCounter instrument that records long values.
LongUpDownCounterBuilder	Builder class for LongUpDownCounter.
LowAllocationLogsRequestMarshaler	Marshaler to convert SDK LogRecordData to OTLP ExportLogsServiceRequest.
LowAllocationMetricsRequestMarshaler	Marshaler to convert SDK MetricData to OTLP ExportMetricsServiceRequest.
LowAllocationTraceRequestMarshaler	Marshaler to convert SDK SpanData to OTLP ExportTraceServiceRequest.
ManagedChannelUtil	Utilities for working with gRPC channels.
Mapping
Marshaler	Marshaler from an SDK structure to protobuf wire format.
MarshalerContext	Class for keeping marshaling state.
MarshalerContext.IdPool
MarshalerContext.Key	This class is internal and is hence not for public use.
MarshalerContext.Pool<T>
MarshalerInputStream	Adapter from Marshaler to gRPC types.
MarshalerLogsServiceGrpc
MarshalerLogsServiceGrpc.LogsServiceFutureStub
MarshalerMetricsServiceGrpc
MarshalerMetricsServiceGrpc.MetricsServiceFutureStub
MarshalerServiceStub<T extends Marshaler,U,S extends MarshalerServiceStub<T,U,S>>	A gRPC stub that uses a Marshaler.
MarshalerTraceServiceGrpc
MarshalerTraceServiceGrpc.TraceServiceFutureStub
MarshalerUtil	Marshaler utilities.
MarshalerWithSize	A Marshaler which returns a memoized size.
Measurement	A long or double measurement recorded from ObservableLongMeasurement or ObservableDoubleMeasurement.
MemoryMode	The memory semantics of the SDK.
Meter	Provides instruments used to record measurements which are aggregated to metrics.
MeterBuilder	Builder class for creating Meter instances.
MeterConfig	A collection of configuration options which define the behavior of a Meter.
MeterProvider	A registry for creating named Meters.
MeterProviderConfiguration
MeterProviderSharedState	State for a SdkMeterProvider.
Metric
MetricData	Metric data represents the aggregated measurements of an instrument.
MetricDataType	The type of metric PointData.
MetricDescriptor	Describes a metric that will be output.
MetricExporter	A Metric Exporter is a push based interface for exporting MetricData out of SdkMeterProvider.
MetricExporterConfiguration
MetricMarshaler
MetricProducer	MetricProducer is the interface that is used to make metric data available to the MetricReaders.
MetricReader	A metric reader reads metrics from an SdkMeterProvider.
MetricReusableDataMarshaler	This class is internal and is hence not for public use.
MetricsMarshalerUtil
MetricsRequestMarshaler	Marshaler to convert SDK MetricData to OTLP ExportMetricsServiceRequest.
MetricStatelessMarshaler	See MetricMarshaler.
MetricStorage	Stores collected MetricData.
MetricStorageRegistry	Responsible for storing metrics by MetricDescriptor and returning access to input pipeline for instrument measurements.
MultiLogRecordExporter	LogRecordExporter that forwards all received logs to a list of LogRecordExporter.
MultiLogRecordProcessor	Implementation of LogRecordProcessor that forwards all logs to a list of LogRecordProcessors.
MultiSpanExporter	SpanExporter that forwards all received spans to a list of SpanExporter.
MultiSpanProcessor	Implementation of the SpanProcessor that simply forwards all received events to a list of SpanProcessors.
MultiTextMapPropagator
MutableDoublePointData	A mutable DoublePointData
MutableExponentialHistogramBuckets	A mutable ExponentialHistogramBuckets
MutableExponentialHistogramPointData	A mutable ExponentialHistogramPointData
MutableHistogramPointData	A mutable HistogramPointData
MutableLongPointData	Mutable LongPointData
MutableMeasurement	A mutable Measurement implementation
NamedSpiManager<T>	This class is internal and is hence not for public use.
NoopAttributesProcessor
NoopExemplarReservoir<T extends ExemplarData>	A reservoir that keeps no exemplars.
NoopLogRecordExporter
NoopLogRecordProcessor
NoopMarshaler
NoopSpanExporter
NoopSpanProcessor
NoopTextMapPropagator
NoSourceInfo
NumberDataPoint
NumberDataPointMarshaler
NumberDataPointStatelessMarshaler	See NumberDataPointMarshaler.
ObjectPool<T>	A pool of objects of type T.
ObservableDoubleCounter	A reference to an observable instrument registered with DoubleCounterBuilder.buildWithCallback(Consumer).
ObservableDoubleGauge	A reference to an observable instrument registered with DoubleGaugeBuilder.buildWithCallback(Consumer).
ObservableDoubleMeasurement	An interface for observing measurements with double values.
ObservableDoubleUpDownCounter	A reference to an observable instrument registered with DoubleUpDownCounterBuilder.buildWithCallback(Consumer).
ObservableLongCounter	A reference to an observable instrument registered with LongCounterBuilder.buildWithCallback(Consumer).
ObservableLongGauge	A reference to an observable instrument registered with LongGaugeBuilder.buildWithCallback(Consumer).
ObservableLongMeasurement	An interface for observing measurements with long values.
ObservableLongUpDownCounter	A reference to an observable metric registered with LongUpDownCounterBuilder.buildWithCallback(Consumer).
ObservableMeasurement	Super interface for observing measurements.
OpenTelemetry	The entrypoint to telemetry functionality for tracing, metrics and baggage.
OpenTelemetrySdk	The SDK implementation of OpenTelemetry.
OpenTelemetrySdk.ObfuscatedLoggerProvider	This class allows the SDK to unobfuscate an obfuscated static global provider.
OpenTelemetrySdk.ObfuscatedMeterProvider	This class allows the SDK to unobfuscate an obfuscated static global provider.
OpenTelemetrySdk.ObfuscatedTracerProvider	This class allows the SDK to unobfuscate an obfuscated static global provider.
OpenTelemetrySdkBuilder	A builder for configuring an OpenTelemetrySdk.
Ordered	Interface to be extended by SPIs that need to guarantee ordering during loading.
OtelEncodingUtils	This class is internal and is hence not for public use.
OtelVersion
OtelVersion
OtlpConfigUtil	This class is internal and is hence not for public use.
OtlpGrpcLogRecordExporter	Exports logs using OTLP via gRPC, using OpenTelemetry's protobuf model.
OtlpGrpcLogRecordExporterBuilder	Builder for OtlpGrpcLogRecordExporter.
OtlpGrpcMetricExporter	Exports metrics using OTLP via gRPC, using OpenTelemetry's protobuf model.
OtlpGrpcMetricExporterBuilder	Builder utility for this exporter.
OtlpGrpcSpanExporter	Exports spans using OTLP via gRPC, using OpenTelemetry's protobuf model.
OtlpGrpcSpanExporterBuilder	Builder utility for this exporter.
OtlpHttpLogRecordExporter	Exports logs using OTLP via HTTP, using OpenTelemetry's protobuf model.
OtlpHttpLogRecordExporterBuilder	Builder utility for OtlpHttpLogRecordExporter.
OtlpHttpMetricExporter	Exports metrics using OTLP via HTTP, using OpenTelemetry's protobuf model.
OtlpHttpMetricExporterBuilder	Builder utility for OtlpHttpMetricExporter.
OtlpHttpSpanExporter	Exports spans using OTLP via HTTP, using OpenTelemetry's protobuf model.
OtlpHttpSpanExporterBuilder	Builder utility for OtlpHttpSpanExporter.
OtlpLogRecordExporterComponentProvider	Declarative configuration SPI implementation for OtlpHttpLogRecordExporter and OtlpGrpcLogRecordExporter.
OtlpLogRecordExporterProvider	LogRecordExporter SPI implementation for OtlpGrpcLogRecordExporter and OtlpHttpLogRecordExporter.
OtlpMetricExporterComponentProvider	Declarative configuration SPI implementation for OtlpHttpMetricExporter and OtlpGrpcMetricExporter.
OtlpMetricExporterProvider	MetricExporter SPI implementation for OtlpGrpcMetricExporter and OtlpHttpMetricExporter.
OtlpSpanExporterComponentProvider	Declarative configuration SPI implementation for OtlpHttpSpanExporter and OtlpGrpcSpanExporter.
OtlpSpanExporterProvider	SpanExporter SPI implementation for OtlpGrpcSpanExporter and OtlpHttpSpanExporter.
OtlpUserAgent	This class is internal and is hence not for public use.
ParentBasedSampler	A Sampler that uses the sampled flag of the parent Span, if present.
ParentBasedSamplerBuilder	A builder for creating ParentBased sampler instances.
Parser	Implements single-pass Baggage parsing in accordance with https://w3c.github.io/baggage/ Key / value are restricted in accordance with https://www.ietf.org/rfc/rfc2616.txt.
Parser.State
PassThroughPropagator	A TextMapPropagator which can be configured with a set of fields, which will be extracted and stored in Context.
PercentEscaper	Note: This class is based on code from guava.
PeriodicMetricReader	A MetricReader which wraps a MetricExporter and automatically reads and exports the metrics every export interval.
PeriodicMetricReaderBuilder	Builder for PeriodicMetricReader.
PointData	A point in the metric data model.
PooledHashMap<K,V>	A bucket-based hash map with an internal re-usable map entry objects pool
PooledHashMap.Entry<K,V>
PrimitiveLongList	A list of longs backed by, and exposing, an array of primitives.
PrimitiveLongList.LongListImpl
Profile
ProfileContainer
PropagatedSpan	The default Span that is used when no Span implementation is available.
PropagatorConfiguration
ProtoEnumInfo	Information about a field in a proto definition.
ProtoFieldInfo	Information about a field in a proto definition.
ProtoSerializer	Serializer for the protobuf binary wire format.
ProxyOptions	Configuration for proxy settings.
ProxyOptions.SimpleProxySelector
RandomFixedSizeExemplarReservoir<T extends ExemplarData>	A FixedSizeExemplarReservoir which uses an un-unweighted/naive algorithm for sampler where the probability of sampling decrease as the number of observations continue.
RandomFixedSizeExemplarReservoir.RandomCellSelector
RandomIdGenerator
RandomSupplier	Provides random number generater constructor utilities.
RateLimiter	This class was taken from Jaeger java client.
ReadableSpan	SDK representation of a Span that can be read.
ReadOnlyArrayMap<K,V>	A read-only view of an array of key-value pairs.
ReadWriteLogRecord	A log record that can be read from and written to.
ReadWriteSpan	A combination of the write methods from the Span interface and the read methods from the ReadableSpan interface.
RegisteredReader	Represents a MetricReader registered with SdkMeterProvider.
RegisteredView	Internal representation of a View and InstrumentSelector.
ReservoirCell	A Reservoir cell pre-allocated memories for Exemplar data.
ReservoirCellSelector	Selects which FixedSizeExemplarReservoir ReservoirCell receives measurements.
Resource
Resource	Resource represents a resource, which capture identifying information about the entities for which signals (stats or traces) are reported.
ResourceBuilder	A builder of Resource that allows to add key-value pairs and copy attributes from other Attributes or Resource.
ResourceConfiguration	Auto-configuration for the OpenTelemetry Resource.
ResourceLogs
ResourceLogsMarshaler	A Marshaler of ResourceLogs.
ResourceLogsStatelessMarshaler	A Marshaler of ResourceLogs.
ResourceMarshaler	A Marshaler of Resource.
ResourceMarshaler.RealResourceMarshaler
ResourceMetrics
ResourceMetricsMarshaler	A Marshaler of ResourceMetrics.
ResourceMetricsStatelessMarshaler	A Marshaler of ResourceMetrics.
ResourceProfiles
ResourceProvider	A service provider interface (SPI) for providing a Resource that is merged into the default resource.
ResourceSpans
ResourceSpansMarshaler	A Marshaler of ResourceSpans.
ResourceSpansStatelessMarshaler	A Marshaler of ResourceSpans.
RetryPolicy	Configuration for exporter exponential retry policy.
RetryPolicy.RetryPolicyBuilder	Builder for RetryPolicy.
RetryUtil	This class is internal and is hence not for public use.
Sample
Sampler	A Sampler is used to make decisions on Span sampling.
SamplingDecision	A decision on whether a span should be recorded, recorded and sampled or dropped.
SamplingResult	Sampling result returned by Sampler.shouldSample(Context, String, String, SpanKind, Attributes, List).
Scope	An AutoCloseable that represents a mounted context for a block of code.
ScopeConfigurator<T>	A ScopeConfigurator computes configuration for a given InstrumentationScopeInfo.
ScopeConfiguratorBuilder<T>	Builder for ScopeConfigurator.
ScopeConfiguratorBuilder.Condition<T>
ScopeLogs
ScopeMetrics
ScopeProfiles
ScopeSpans
SdkDoubleCounter
SdkDoubleCounter.SdkDoubleCounterBuilder
SdkDoubleGauge
SdkDoubleGauge.SdkDoubleGaugeBuilder
SdkDoubleHistogram
SdkDoubleHistogram.SdkDoubleHistogramBuilder
SdkDoubleUpDownCounter
SdkDoubleUpDownCounter.SdkDoubleUpDownCounterBuilder
SdkEventBuilder
SdkEventLoggerProvider	SDK implementation for EventLoggerProvider.
SdkEventLoggerProvider.SdkEventLogger
SdkEventLoggerProvider.SdkEventLoggerBuilder
SdkLogger	SDK implementation of Logger.
SdkLoggerBuilder
SdkLoggerProvider	SDK implementation for LoggerProvider.
SdkLoggerProviderBuilder	Builder class for SdkLoggerProvider instances.
SdkLoggerProviderUtil	A collection of methods that allow use of experimental features prior to availability in public APIs.
SdkLogRecordBuilder	SDK implementation of LogRecordBuilder.
SdkLogRecordData
SdkLongCounter
SdkLongCounter.SdkLongCounterBuilder
SdkLongGauge
SdkLongGauge.SdkLongGaugeBuilder
SdkLongHistogram
SdkLongHistogram.SdkLongHistogramBuilder
SdkLongUpDownCounter
SdkLongUpDownCounter.SdkLongUpDownCounterBuilder
SdkMeter	SdkMeter is SDK implementation of Meter.
SdkMeter.MultiWritableMetricStorage
SdkMeterBuilder
SdkMeterProvider	SDK implementation for MeterProvider.
SdkMeterProvider.LeasedMetricProducer	Helper class to expose registered metric exports.
SdkMeterProvider.SdkCollectionRegistration
SdkMeterProviderBuilder	Builder class for the SdkMeterProvider.
SdkMeterProviderUtil	A collection of methods that allow use of experimental features prior to availability in public APIs.
SdkObservableInstrument
SdkObservableMeasurement	Records values from asynchronous instruments to associated AsynchronousMetricStorage.
SdkReadWriteLogRecord
SdkSpan	Implementation for the Span class that records trace events.
SdkSpan.EndState
SdkSpanBuilder	SdkSpanBuilder is SDK implementation of SpanBuilder.
SdkTracer	SdkTracer is SDK implementation of Tracer.
SdkTracerBuilder
SdkTracerProvider	SDK implementation for TracerProvider.
SdkTracerProviderBuilder	Builder of SdkTracerProvider.
SdkTracerProviderConfigurer	Deprecated. Use AutoConfigurationCustomizer.addTracerProviderCustomizer(BiFunction).
SdkTracerProviderUtil	A collection of methods that allow use of experimental features prior to availability in public APIs.
Serializer	Serializer to use when converting from an SDK data object into a protobuf output format.
Serializer.RepeatedElementPairWriter<K,V>
Serializer.RepeatedElementWriter<T>
Severity	Log record severity options.
SeverityNumber
SimpleLogRecordProcessor	An implementation of the LogRecordProcessor that passes LogRecordData directly to the configured exporter.
SimpleSpanProcessor	An implementation of the SpanProcessor that converts the ReadableSpan to SpanData and passes it directly to the configured exporter.
SimpleSpanProcessorBuilder	Builder class for SimpleSpanProcessor.
SourceInfo	An interface that can be used to record the (runtime) source of registered metrics in the sdk.
Span	An interface that represents a span.
Span
Span.Event
Span.Link
Span.SpanKind
SpanBuilder	SpanBuilder is used to construct Span instances which define arbitrary scopes of code that are sampled for distributed tracing as a single atomic unit.
SpanCallable<T,E extends java.lang.Throwable>	An interface for creating a lambda that is wrapped in a span, returns a value, and that may throw.
SpanContext	A class that represents a span context.
SpanContextKey	Util class to hold on to the key for storing a Span in the Context.
SpanData	Immutable representation of all data collected by the Span class.
SpanEventMarshaler
SpanEventStatelessMarshaler	See SpanEventMarshaler.
SpanExporter	An interface that allows different tracing services to export recorded data for sampled spans in their own format.
SpanExporterConfiguration
SpanFlags	Represents the 32 bit span flags as specified in the proto definition.
SpanId	Helper methods for dealing with a span identifier.
SpanKind	Type of Span.
SpanLimits	Class that holds limits enforced during span recording.
SpanLimits.SpanLimitsValue
SpanLimitsBuilder	Builder for SpanLimits.
SpanLinkMarshaler
SpanLinkStatelessMarshaler	See SpanLinkMarshaler.
SpanMarshaler
SpanProcessor	SpanProcessor is the interface SdkTracer uses to allow synchronous hooks for when a Span is started or when a Span is ended.
SpanReusableDataMarshaler	This class is internal and is hence not for public use.
SpanRunnable<E extends java.lang.Throwable>	An interface for creating a lambda that is wrapped in a span and that may throw.
SpanStatelessMarshaler	See SpanMarshaler.
SpanStatusMarshaler
SpanStatusStatelessMarshaler	See SpanStatusMarshaler.
SpanWrapper	Immutable class that stores SpanData based on a SdkSpan.
SpiHelper	This class is internal and is hence not for public use.
SpiHelper.ServiceLoaderComponentLoader
StackTraceSourceInfo	Diagnostic information derived from stack traces.
StatelessMarshaler<T>	Marshaler from an SDK structure to protobuf wire format.
StatelessMarshaler2<K,V>	Marshaler from an SDK structure to protobuf wire format.
StatelessMarshalerUtil	Marshaler utilities.
StatelessMarshalerUtil.Grouper<T>
StatelessMarshalerUtil.RepeatedElementPairSizeCalculator<K,V>
StatelessMarshalerUtil.RepeatedElementSizeCalculator<T>
Status
Status.StatusCode
StatusCode	The set of canonical status codes.
StatusData	Defines the status of a Span by providing a standard StatusCode in conjunction with an optional descriptive message.
StrictContextStorage	A ContextStorage which keeps track of opened and closed Scopes, reporting caller information if a Scope is closed incorrectly or not at all.
StrictContextStorage.CallerStackTrace
StrictContextStorage.PendingScopes
StringAnyValueMarshaler	A Marshaler of string-valued AnyValue.
StringAnyValueStatelessMarshaler	A Marshaler of string-valued AnyValue.
StringBody
StringPredicates	Re-usable string predicates.
StringUtils	Utilities for working with strings.
StructuredConfigProperties	An interface for accessing structured configuration data.
Sum
SumAggregation	A sum aggregation configuration.
SumData<T extends PointData>	Data for a MetricDataType.LONG_SUM or MetricDataType.DOUBLE_SUM metric.
SumMarshaler
Summary
SummaryData	Data for a MetricDataType.SUMMARY metric.
SummaryDataPoint
SummaryDataPoint.ValueAtQuantile
SummaryDataPointMarshaler
SummaryDataPointStatelessMarshaler	See SummaryDataPointMarshaler.
SummaryMarshaler
SummaryPointData	Point data for SummaryData.
SummaryStatelessMarshaler	See SummaryMarshaler.
SumStatelessMarshaler	See SumMarshaler.
SynchronousMetricStorage	Stores aggregated MetricData for synchronous instruments.
SystemClock	A Clock that uses JavaVersionSpecific.currentTimeNanos() and System.nanoTime().
TemporaryBuffers	ThreadLocal buffers for use when creating new derived objects such as Strings.
TextMapGetter<C>	Interface that allows a TextMapPropagator to read propagated fields from a carrier.
TextMapPropagator	Injects and extracts a value as text into carriers that travel in-band across process boundaries.
TextMapSetter<C>	Class that allows a TextMapPropagator to set propagated fields into a carrier.
ThreadLocalContextStorage
ThreadLocalContextStorage.NoopScope
ThrottlingLogger	Will limit the number of log messages emitted, so as not to spam when problems are happening.
ThrowableUtil	This class is internal and is hence not for public use.
TlsConfigHelper	Utility class to help with management of TLS related components.
TlsUtil	Utilities for working with TLS.
TraceBasedExemplarFilter	Exemplar sampler that only samples measurements with associated sampled traces.
TraceFlags	A valid trace flags is a byte or 2 character lowercase hex (base16) String.
TraceId	Helper methods for dealing with a trace identifier.
TraceIdRatioBasedSampler	We assume the lower 64 bits of the traceId's are randomly distributed around the whole (long) range.
Tracer	Tracer is the interface for Span creation and interaction with the in-process context.
TracerBuilder	Builder class for creating Tracer instances.
TracerConfig	A collection of configuration options which define the behavior of a Tracer.
TraceRequestMarshaler	Marshaler to convert SDK SpanData to OTLP ExportTraceServiceRequest.
TracerProvider	A registry for creating named Tracers.
TracerProviderConfiguration
TracerSharedState
TraceState	Carries tracing-system specific context in a list of key-value pairs.
TraceStateBuilder	A builder of TraceState.
UnsafeAccess
UnsafeAccess.UnsafeHolder
UnsafeString
Utils	General internal utility methods.
Value<T>	Value mirrors the proto AnyValue message type, and is used to model any type.
ValueArray
ValueAtQuantile	A quantile value within a SummaryPointData.
ValueAtQuantileMarshaler
ValueAtQuantileStatelessMarshaler	See ValueAtQuantileMarshaler.
ValueBoolean
ValueBytes
ValueDouble
ValueLong
ValueString
ValueType	AnyValue type options, mirroring AnyValue#value options.
ValueType
View	A view configures how measurements are aggregated and exported as metrics.
ViewBuilder	A builder for View.
ViewRegistry	Central location for Views to be registered.
W3CBaggagePropagator	TextMapPropagator that implements the W3C specification for baggage header propagation.
W3CTraceContextEncoding	Implementation of the tracestate header encoding and decoding as defined by the W3C Trace Context recommendation.
W3CTraceContextPropagator	Implementation of the W3C TraceContext propagation protocol.
WeakConcurrentMap<K,V>	A thread-safe map with weak keys.
WeakConcurrentMap.LookupKey<K>
WeakConcurrentMap.WithInlinedExpunction<K,V>	A WeakConcurrentMap where stale entries are removed as a side effect of interacting with this map.
WireFormat
WriteableMetricStorage	Stores MetricData and allows synchronous writes of measurements.