REST client and transport types

import type { ParaRestClientOptions, ParaRestCallOptions, RestFetch } from "@getpara/rest-sdk";

interface ParaRestClientOptions {
  apiKey: string;
  env?: 'PROD' | 'BETA' | 'SANDBOX' | { baseUrl: string };
  fetch?: RestFetch;
  requestIdGenerator?: () => string;
}

interface ParaRestCallOptions {
  idempotencyKey?: string;
  signal?: AbortSignal;
}

type RestFetch = (input: string, init: {
  method: string;
  headers: Record<string, string>;
  body?: string;
  signal?: AbortSignal;
}) => Promise<{
  ok: boolean;
  status: number;
  statusText?: string;
  headers: { get(name: string): string | null };
  text(): Promise<string>;
}>;