Overview (core 2.25.0 API)

Packages
Package	Description
org.apache.beam.sdk	Provides a simple, powerful model for building both batch and streaming parallel data processing `Pipeline`s.
org.apache.beam.sdk.annotations	Defines annotations used across the SDK.
org.apache.beam.sdk.coders	Defines `Coders` to specify how data is encoded to and decoded from byte strings.
org.apache.beam.sdk.expansion	Contains classes needed to expose transforms to other SDKs.
org.apache.beam.sdk.function	Java 8 functional interface extensions.
org.apache.beam.sdk.harness	Utilities for configuring worker environment.
org.apache.beam.sdk.io	Defines transforms for reading and writing common storage formats, including `AvroIO`, and `TextIO`.
org.apache.beam.sdk.io.fs	Apache Beam FileSystem interfaces and their default implementations.
org.apache.beam.sdk.io.range	Provides thread-safe helpers for implementing dynamic work rebalancing in position-based bounded sources.
org.apache.beam.sdk.metrics	Metrics allow exporting information about the execution of a pipeline.
org.apache.beam.sdk.options	Defines `PipelineOptions` for configuring pipeline execution.
org.apache.beam.sdk.runners	For internal use only; no backwards compatibility guarantees.
org.apache.beam.sdk.schemas	Defines `Schema` and other classes for representing schema'd data in a `Pipeline`.
org.apache.beam.sdk.schemas.annotations	Defines `Schema` and other classes for representing schema'd data in a `Pipeline`.
org.apache.beam.sdk.schemas.io	Provides abstractions for schema-aware IOs.
org.apache.beam.sdk.schemas.logicaltypes	A set of common LogicalTypes for use with schemas.
org.apache.beam.sdk.schemas.parser	Defines utilities for deailing with schemas.
org.apache.beam.sdk.schemas.parser.generated	Defines utilities for deailing with schemas.
org.apache.beam.sdk.schemas.transforms	Defines transforms that work on PCollections with schemas..
org.apache.beam.sdk.schemas.utils	Defines utilities for deailing with schemas.
org.apache.beam.sdk.state	Classes and interfaces for interacting with state.
org.apache.beam.sdk.testing	Defines utilities for unit testing Apache Beam pipelines.
org.apache.beam.sdk.transforms	Defines `PTransform`s for transforming data in a pipeline.
org.apache.beam.sdk.transforms.display	Defines `HasDisplayData` for annotating components which provide `display data` used within UIs and diagnostic tools.
org.apache.beam.sdk.transforms.join	Defines the `CoGroupByKey` transform for joining multiple PCollections.
org.apache.beam.sdk.transforms.reflect	*For internal use only; no backwards-compatibility guarantees.*
org.apache.beam.sdk.transforms.splittabledofn	Defines utilities related to splittable `DoFn`.
org.apache.beam.sdk.transforms.windowing	Defines the `Window` transform for dividing the elements in a PCollection into windows, and the `Trigger` for controlling when those elements are output.
org.apache.beam.sdk.util	For internal use only; no backwards compatibility guarantees.
org.apache.beam.sdk.util.common	Defines utilities shared by multiple PipelineRunner implementations.
org.apache.beam.sdk.values	Defines `PCollection` and other classes for representing data in a `Pipeline`.