boolean documentReference(String reference) {
    if (!lazyInitDocumentation()) {
      return true;
    }

    if (documentation.sees == null) {
      documentation.sees = new ArrayList<>();
    }

    documentation.sees.add(reference);
    return true;
  }
boolean documentReference ( String reference ) { if ( ! lazyInitDocumentation ( ) ) { return true ; } if ( documentation . sees == null ) { documentation . sees = new ArrayList < > ( ) ; } documentation . sees . add ( reference ) ; return true ; }
Documents a reference (i.e. adds a "see" reference to the list).