import type { OpenAICallOptions } from '@langchain/openai';

export interface OpenAIChatCallOptions extends OpenAICallOptions {
  promptIndex?: number;
}

// TODO import from SDK when available
export type OpenAIRoleEnum =
  | 'system'
  | 'developer'
  | 'assistant'
  | 'user'
  | 'function'
  | 'tool';

export type HeaderValue = string | undefined | null;
export type HeadersLike =
  | Headers
  | readonly HeaderValue[][]
  | Record<string, HeaderValue | readonly HeaderValue[]>
  | undefined
  | null
  // NullableHeaders
  | { values: Headers; [key: string]: unknown };