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JavaScript@langchain/corelanguage_modelsstreamUsageMetadataStream

Class●Since v1.1

UsageMetadataStream

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class UsageMetadataStream

Methods

View source on GitHub

[asyncIterator]→ AsyncIterator<ChatModelStreamEvent>

then→ PromiseLike<TResult1 | TResult2>

Attaches callbacks for the resolution and/or rejection of the Promise.

Typed stream for usage metadata.