inversify/inversify-express-utils

import type { OutgoingHttpHeaders } from 'node:http';
import type { Readable } from 'stream';

export abstract class HttpContent {
  private _headers: OutgoingHttpHeaders = {};

  public get headers(): OutgoingHttpHeaders {
    return this._headers;
  }

  public abstract readAsync(): Promise<
    string | Record<string, unknown> | Record<string, unknown>[] | Readable
  >;
}