langchain.js
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    Variable completionsApiContentBlockConverterConst

    completionsApiContentBlockConverter: BaseDynamicToolInput<
        {
            audio: ChatCompletionContentPartInputAudio;
            file: ChatCompletionContentPart.File;
            image: ChatCompletionContentPartImage;
            text: ChatCompletionContentPartText;
        },
    > = ...

    This converter is an internal detail of the OpenAI provider. Do not use it directly. This will be revisited in a future release.