code: def length(cls, namelen):
          # type: (Type[UDFFileIdentifierDescriptor], int) -> int
          '''
          A class method to calculate the size this UDFFileIdentifierDescriptor
          would take up.
  
          Parameters:
           cls - The class to use (always UDFFileIdentifierDescriptor).
           namelen - The length of the name.
          Returns:
           The length that the UDFFileIdentifierDescriptor would take up.
          '''
          if namelen > 0:
              namelen += 1
          to_add = struct.calcsize(cls.FMT) + namelen
          return to_add + UDFFileIdentifierDescriptor.pad(to_addf length(cls, namelen):
          # type: (Type[UDFFileIdentifierDescriptor], int) -> int
          '''
          A class method to calculate the size this UDFFileIdentifierDescriptor
          would take up.
  
          Parameters:
           cls - The class to use (always UDFFileIdentifierDescriptor).
           namelen - The length of the name.
          Returns:
           The length that the UDFFileIdentifierDescriptor would take up.
          '''
          if namelen > 0:
              namelen += 1
          to_add = struct.calcsize(cls.FMT) + namelen
          return to_add + UDFFileIdentifierDescriptor.pad(to_add)
docs: A class method to calculate the size this UDFFileIdentifierDescriptor
          would take up.
  
          Parameters:
           cls - The class to use (always UDFFileIdentifierDescriptor).
           namelen - The length of the name.
          Returns:
           The length that the UDFFileIdentifierDescriptor would take up.