# Functions
NewDefaultFunctionCollection constructs this list and fills it with the standard functions.
Constructs this function class with specified parameters.
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# Structs
DefaultFunctionCollection implements a list filled with standard functions.
Defines an interface for expression function.
FunctionCollection implements a functions list.
# Interfaces
IFunction вefines an interface for expression function.
IFunctionCollection defines a functions list.
# Type aliases
Defines a delegate to implement a function
Parameters: - parameters: A list with function parameters - variantOperations: A manager for variant operations.