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Embedding distance evaluation chain.
Use embedding distances to score semantic difference between a prediction and reference.
EmbeddingDistanceEvalChain()
_EmbeddingDistanceChainMixin
StringEvaluator
Return whether the chain requires a reference.
Return the input keys of the chain.
Evaluate Chain or LLM output, based on optional input and label.
Asynchronously evaluate Chain or LLM output, based on optional input and label.
