0-based index of this parameter in the parameter list of its containing callable.

Name of this parameter as it was declared in the source code, or null if the parameter has no name or its name is not available at runtime. Examples of nameless parameters include this instance for member functions, extension receiver for extension functions or properties, parameters of Java methods compiled without the debug information, and others.

true if this parameter is optional and can be omitted when making a call via KCallable.callBy, or false otherwise.

A parameter is optional in any of the two cases:

1. The default value is provided at the declaration of this parameter.
2. The parameter is declared in a member function and one of the corresponding parameters in the super functions is optional.

true if this parameter is vararg. See the Kotlin language documentation for more information.

Type of this parameter. For a vararg parameter, this is the type of the corresponding array, not the individual element.

Kind of this parameter. Kind represents a particular position of the parameter declaration in the source code, such as an instance, an extension receiver parameter or a value parameter.