public MyInputStream makeInputStream() {
    return new MyInputStream();
  }
Gets a {@code InputStream} that reads from this instance, with the cursor starting at the
beginning of this instance's data. <b>Note:</b> The returned instance may be cast to {@link
GetCursor} if needed.

@return {@code non-null;} an appropriately-constructed {@code InputStream} instancex
android/android_framework/dex-maker/src/main/java/com/android/dx/util/ByteArray.java