class ParsingToolFunctionimport { ParsingToolFunction } from "https://deno.land/x/openai@v4.38.0/lib/RunnableFunction.ts"; This is helper class for passing a function and parse where the function argument type matches the parse return type. ConstructorsnewParsingToolFunction(input: RunnableFunctionWithParse<Args>)Type ParametersArgs extends objectPropertiesfunction: RunnableFunctionWithParse<Args>type: "function"