README

README-FLINK35153

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+# Jira
+https://issues.apache.org/jira/browse/FLINK-35153
+
+# Commits
+
+ - [FLINK-35153][State] Internal async map state and corresponding state descriptor
+ - [FLINK-35153][State] Internal async list state and corresponding state descriptor
+
+# PR title
+
+[FLINK-35153][State] Internal Async State Implementation and StateDescriptor for Map/List State
+
+# PR description
+
+## What is the purpose of the change
+
+ This PR provides the direct implementation of user-facing list/map State V2 APIs, which simply create async `StateRequest` and hand it to the `AsyncExecutionController`.
+
+## Brief change log
+
+ - Implement `InternalMapState` and corresponding `MapStateDescriptor` under `org.apache.flink.runtime.state.v2`.
+ - Implement `InternalListState` and corresponding `ListStateDescriptor` under `org.apache.flink.runtime.state.v2`.
+
+
+## Verifying this change
+
+ - Added UTs for newly introduced state implementations and descriptors.
+
+## Does this pull request potentially affect one of the following parts:
+
+  - Dependencies (does it add or upgrade a dependency): no
+  - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no
+  - The serializers: no
+  - The runtime per-record code paths (performance sensitive): no
+  - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
+  - The S3 file system connector: no
+
+## Documentation
+
+  - Does this pull request introduce a new feature? no
+  - If yes, how is the feature documented? not applicable