docs: public Expression longToIntForHashCode(Expression ref1, Expression ref2, ASTNode source) {
  		int pS = source.sourceStart, pE = source.sourceEnd;
  		/* (int)(ref >>> 32 ^ ref) */
  		IntLiteral int32 = makeIntLiteral("32".toCharArray(), source);
  		BinaryExpression higherBits = new BinaryExpression(ref1, int32, OperatorIds.UNSIGNED_RIGHT_SHIFT);
  		setGeneratedBy(higherBits, source);
  		BinaryExpression xorParts = new BinaryExpression(ref2, higherBits, OperatorIds.XOR);
  		setGeneratedBy(xorParts, source);
  		TypeReference intRef = TypeReference.baseTypeReference(TypeIds.T_int, 0);
  		intRef.sourceStart = pS; intRef.sourceEnd = pE;
  		setGeneratedBy(intRef, source);
  		CastExpression expr = makeCastExpression(xorParts, intRef, source);
  		expr.sourceStart = pS; expr.sourceEnd = pE;
  		return expr;
  	}