public static boolean isTupleVarNameWithoutTypeDeclared(PsiElement position) {
    PsiElement parent = position.getParent();
    PsiElement pparent = parent.getParent();
    return parent instanceof GrVariable &&
           ((GrVariable)parent).getNameIdentifierGroovy() == position &&
           ((GrVariable)parent).getTypeElementGroovy() == null &&
           pparent instanceof GrVariableDeclaration &&
           ((GrVariableDeclaration)pparent).isTuple();
  }
public static boolean isTupleVarNameWithoutTypeDeclared(PsiElement position)