docs: private boolean voltConvertBinaryIntegerLiteral(Session session, Expression lhs, Expression rhs) {
          Expression nonIntegralExpr;
          int whichChild;
          if (lhs.dataType.isIntegralType()) {
              nonIntegralExpr = rhs;
              whichChild = RIGHT;
          }
          else if (rhs.dataType.isIntegralType()) {
              nonIntegralExpr = lhs;
              whichChild = LEFT;
          } else {
              return false;
          }
  
          return ExpressionValue.voltMutateToBigintType(nonIntegralExpr, this, whichChild);
      }