@Nullable
  public static EqualsToEqualityFix buildFix(PsiMethodCallExpression expressionToFix, boolean negated) {
    if (ExpressionUtils.isVoidContext(expressionToFix)) {
      // replacing top level equals() call will produce red code
      return null;
    }
    return new EqualsToEqualityFix(negated);
  }
@Nullable
  public static EqualsToEqualityFix buildFix(PsiMethodCallExpression expressionToFix, boolean negated)