import { isFunctionMessage } from "https://deno.land/x/openai@v4.21.0/lib/chatCompletionUtils.ts";
type
(message: ChatCompletionMessageParam | null | undefined) => message is ChatCompletionFunctionMessageParam
x/openai/lib/chatCompletionUtils.ts>isFunctionMessage
import { isFunctionMessage } from "https://deno.land/x/openai@v4.21.0/lib/chatCompletionUtils.ts";