code: public MethodDef[] getMethodDefs(InputSource methodMapSource)
              throws ObjectIntegrityException, RepositoryConfigurationException,
              GeneralException {
          Mmap methodMap = getMethodMap(methodMapSource);
          return methodMap.mmapMethods;
      }
docs: getMethodDefs: creates an array of abstract method definitions in the
  form of an array of Fedora MethodDef objects. The creation of a MethodDef
  object requires information from a Fedora Method Map.
  
  @param methodMapSource :
  Fedora Method Map definition for methods
  @return MethodDef[] : an array of abstract method definitions
  @throws ObjectIntegrityException
  @throws RepositoryConfigurationException
  @throws GeneralException