code: @Override
      @SuppressWarnings("unchecked")
      public <P> P get(MetaProperty<P> metaProperty) {
          return (P) getBuffer().get(metaProperty);
      }
docs: Gets the buffered value associated with the specified property name.
  
  @param metaProperty  the meta-property, not null
  @return the current value in the builder, null if not found or value is null