code: public static MethodIdentifier getIdentifier(final String returnType, final String name, final String... parameterTypes) {
          return new MethodIdentifier(returnType, name, parameterTypes);
      }
docs: Construct a new instance using string names for the return and parameter types.
  
  @param returnType the return type name
  @param name the method name
  @param parameterTypes the method parameter type names
  @return the identifier