def METHOD_NAME(self) -> int:
    length_in_bits: int = super().METHOD_NAME()
    _value: ModbusPDUReadFileRecordRequest = self
    # Implicit Field (byteCount)
    length_in_bits += 8
    # Array field
    if self.items != None:
        for element in self.items:
            length_in_bits += element.METHOD_NAME()
    return length_in_bits