Used for debugging - lists all parameters.
Is the single-character flag parameter present?
Is the multi-character flag parameter present?
Is either the single-character or the equivalent multi-character flag present.
A Kotlin operator equivalent to value. i.e.
Remaining (unnamed) parameters.
The value of a named parameter. If multiple values are present, then only the first is returned.
The values of a named parameter, which is expected to have multiple values. If no values are found, this returns an empty list.