@Override
  @SuppressWarnings("unchecked")
  public void clear() {
    message =
        (MType) (message != null ? message.getDefaultInstanceForType() : builder
            .getDefaultInstanceForType());
    if (builder != null) {
      dispose(builder);
      builder = null;
    }
    onChanged();
  }
@ Override @ SuppressWarnings ( "unchecked" ) public void clear ( ) { message = ( MType ) ( message != null ? message . getDefaultInstanceForType ( ) : builder . getDefaultInstanceForType ( ) ) ; if ( builder != null ) { dispose ( builder ) ; builder = null ; } onChanged ( ) ; }
Clears the value of the field.

@return the builder