export interface PostOptions { idempotencyKey?: string; } export class ApiException extends Error { public headers: Record = {}; public constructor( public code: number, public body: T, headers: Headers ) { super(`HTTP-Code: ${code}\nHeaders: ${JSON.stringify(headers)}`); headers.forEach((value: string, name: string) => { this.headers[name] = value; }); } } export type XOR = | (T & { [K in keyof U]?: never }) | (U & { [K in keyof T]?: never });