public Questionnaire setDescription(String value) { 
      if (value == null)
        this.description = null;
      else {
        if (this.description == null)
          this.description = new MarkdownType();
        this.description.setValue(value);
      }
      return this;
    }
public Questionnaire setDescription ( String value ) { if ( value == null ) this . description = null ; else { if ( this . description == null ) this . description = new MarkdownType ( ) ; this . description . setValue ( value ) ; } return this ; }
@param value A free text natural language description of the questionnaire from a consumer's perspective.