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JavaScriptlangchainindexContextEditingMiddlewareConfig
Interfaceā—Since v1.1

ContextEditingMiddlewareConfig

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interface ContextEditingMiddlewareConfig

Properties

View source on GitHub
property
edits: ContextEdit[]
property
tokenCountMethod: "model" | "approx"

Configuration for the Context Editing Middleware.

Sequence of edit strategies to apply. Defaults to a single ClearToolUsesEdit mirroring Anthropic defaults.

Whether to use approximate token counting (faster, less accurate) or exact counting implemented by the chat model (potentially slower, more accurate). Currently only OpenAI models support exact counting.