@NotNull
  public LinkedHashSet<String> suggestNames() {
    GrVariable var = GroovyIntroduceParameterUtil.findVar(myInfo);
    GrExpression expr = GroovyIntroduceParameterUtil.findExpr(myInfo);
    StringPartInfo stringPart = findStringPart();

    return GroovyIntroduceParameterUtil.suggestNames(var, expr, stringPart, myInfo.getToReplaceIn(), myProject);
  }
@NotNull
  public LinkedHashSet<String> suggestNames()