code: func GetErrorAllDescriptors() []ErrorDescriptor {
  	result := []ErrorDescriptor{}
  
  	for _, group := range GetGroupNames() {
  		result = append(result, GetErrorCodeGroup(group)...)
  	}
  	sort.Sort(byValue(result))
  	return result
  }
docs: // GetErrorAllDescriptors returns a slice of all ErrorDescriptors that are
  // registered, irrespective of what group they're in