public MarkdownType addDefinitionElement() {//2 
      MarkdownType t = new MarkdownType();
      if (this.definition == null)
        this.definition = new ArrayList<MarkdownType>();
      this.definition.add(t);
      return t;
    }
public MarkdownType addDefinitionElement ( ) { MarkdownType t = new MarkdownType ( ) ; if ( this . definition == null ) this . definition = new ArrayList < MarkdownType > ( ) ; this . definition . add ( t ) ; return t ; }
@return {@link #definition} (Provides a description of an individual term used within the measure.)