docs: public static Predicate<Expression> isInferenceCandidate()
      {
          return expression -> {
              expression = normalizeInPredicateToEquality(expression);
              if (expression instanceof ComparisonExpression &&
                      isDeterministic(expression) &&
                      !mayReturnNullOnNonNullInput(expression)) {
                  ComparisonExpression comparison = (ComparisonExpression) expression;
                  if (comparison.getOperator() == ComparisonExpression.Operator.EQUAL) {
                      // We should only consider equalities that have distinct left and right components
                      return !comparison.getLeft().equals(comparison.getRight());
                  }
              }
              return false;
          };
      }