| Operand | Represents the right hand side value of a clause. |
| OperandVisitor<R> | A visitor that the caller to perform operations on Operands. |
| EmptyOperand | Used to represent a value that has not been set for a field. |
| FunctionOperand | Represents a function in the query tree. |
| MultiValueOperand | Used to represent a multiple constant values as an Operand. |
| Operands | Factory class for creating operands. |
| SingleValueOperand | Used to represent a single constant value as an Operand. |
