Configuration:
- PDF.js version: 2.0.550

Steps to reproduce the problem:
1. Render document in SVG mode `renderMode="svg"`

What is the expected behavior? (add screenshot)
Rendering annotations same way as they rendered on canvas

What went wrong? (add screenshot)
```
Warning: Unimplemented operator beginAnnotations
Warning: Unimplemented operator endAnnotations
```
},
        });
      }
    } else {
      this.data.hasPopup = false;
    }
  }
}
class StampAnnotation extends MarkupAnnotation {
  constructor(parameters) {
    super(parameters);
    this.data.annotationType = AnnotationType.STAMP;
  }
}
class FileAttachmentAnnotation extends MarkupAnnotation {
  constructor(parameters) {
    super(parameters);
    const file = new FileSpec(parameters.dict.get("FS"), parameters.xref);
    this.data.annotationType = AnnotationType.FILEATTACHMENT;
    this.data.file = file.serializable;
  }
}
export {
  Annotation,
  AnnotationBorderStyle,
  AnnotationFactory,
  getQuadPoints,
  MarkupAnnotation,
};