@Override
  public String toHuman() {
    return name.toHuman() + ':' + descriptor.toHuman();
  }
Returns an unadorned but human-readable version of the name-and-type value.

@return {@code non-null;} the human form
android/android_framework/dex-maker/src/main/java/com/android/dx/rop/cst/CstNat.java