Javadoc
A returntype signature represents the return value from a method.
It is a series of bytes in the following grammar:
::= | V
The character V indicates that the method returns no value. Otherwise, the
signature indicates the type of the return value.
An argument signature represents an argument passed to a method:
::=
A method signature represents the arguments that the method expects, and
the value that it returns.
::= ()
::=
This method converts such a string into a Java type declaration like
`void main(String[])' and throws a `ClassFormatException' when the parsed
type is invalid.