Provides information about expected function parameters.
Base class for scalar variable functions.
Represents errors due to invalid variable function arguments.
Represents errors due to missing variable function arguments.
Base class for all variable functions.
Represents errors which occur during variable function evaluation.
Indicates that a property of a variable function implementation is a parameter.
Describes a variable function.
Specifies the scope a function is designed to be used in.
Indicates that a variable function is variadic.
Base class for vector variable functions.
