public void readAsDataURL(Blob blob) {}
public void readAsText(Blob blob) {}
public void readAsText(Blob blob, string encoding) {}
public void readAsArrayBuffer(Blob blob) {}
public void readAsBinaryString(Blob blob) {}
public void send(Blob data) {}
public void write(Blob data) {}
public JsString readAsDataURL(Blob blob) { return default(JsString); }
public JsString readAsText(Blob blob, string encoding) { return default(JsString); }
public JsString readAsText(Blob blob) { return default(JsString); }
public JsString readAsBinaryString(Blob blob) { return default(JsString); }
public ArrayBuffer readAsArrayBuffer(Blob blob) { return default(ArrayBuffer); }