Member predicate ClassEndpoint::getParameters

Gets a string representation of the parameters of this endpoint.

The string follows a specific format:

• Normal parameters(where arguments can be passed as either positional or keyword) are listed in order, separated by commas.
• Keyword-only parameters are listed in order, separated by commas, each followed by a colon.
• In the future, positional-only parameters will be listed in order, separated by commas, each followed by a slash.