BinaryOperations
ExpressionType
LiteralValueType
UnaryOperations
enum ExpressionType
  The ExpressionType enumeration defines the expression types available. This enumeration is used in the capabilities metadata. () Enumerator:
  ExpressionType_Basic | Basic arithmetic expressions e.g.: +, -, *, /, negate, and string concatenation.
  ExpressionType_Function | Function evaluations.
  ExpressionType_Parameter | Parameter substitutions.