resolve
Returns the next IMentionable
Return
The argument of type T, extending IMentionable, if it exists
Parameters
classes
Class(es) of the requested type
<T>
Type of the requested argument
Throws
In case the ID is not a valid snowflake, or does not refer to a known IMentionable
In case there is no ID / IMentionable in the message
In case there is no more arguments to be read, or the type isn't the same