Method setHeader

lib/internal/http2/compat.js:632–638

(name, value)

  }

  setHeader(name, value) {
    validateString(name, 'name');
    if (this[kStream].headersSent)
      throw new ERR_HTTP2_HEADERS_SENT();

    this[kSetHeader](name, value);
  }

  [kSetHeader](name, value) {
    name = name.trim().toLowerCase();