public static Call binaryCall(final Operator operator, Expression left, Expression right) {
    Objects.requireNonNull(left, "left");
    Objects.requireNonNull(right, "right");
    return call(operator, ImmutableList.of(left, right));
  }
Converts a {@link ExpressionVisitor} into a {@link ExpressionBiVisitor} (with ignored payload).
criteria/common/src/org/immutables/criteria/expression/Expressions.java