7.4.6

- Update `GetFunctionDefinition` method to handle custom types as function parameters
 - Recursively process properties of custom types
 - Generate object type property definitions for custom types
- Add `GetPropertyDefinition` method to create property definitions based on property type
- Update `CallFunction` method to handle custom type parameters
- Add tests for custom type support
 - `VerifyGetFunctionDefinition_CustomType` test to verify function definition generation for custom types
 - `VerifyCallFunction_CustomType` test to verify function calling with custom type parameters
- Add tests for complex custom types
 - `VerifyGetFunctionDefinition_ComplexCustomType` test to verify function definition generation for complex custom types with nested custom types
 - `VerifyCallFunction_ComplexCustomType` test to verify function calling with complex custom type parameters
- Add `CustomType` and `ComplexCustomType` classes for testing purposes