constructor(params) {
    super({ ...params, mustBeCommitted: true, name: "signatureEditor" });
    this._willKeepAspectRatio = true;
    this.#signatureData = params.signatureData || null;
    this.#description = null;
    this.defaultL10nId = "pdfjs-editor-signature-editor1";
  }
Basic editor in order to generate an Stamp annotation annotation containing
a signature drawing.