You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: mod.rs
    path of file: ./repos/bee/bee-block/src/output/unlock_condition
    
    the code of the file until where you have to start completion: // Copyright 2021-2022 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0

mod address;
mod expiration;
mod governor_address;
mod immutable_alias_address;
mod state_controller_address;
mod storage_deposit_return;
mod timelock;

use alloc::{boxed::Box, vec::Vec};

use bitflags::bitflags;
use derive_more::{Deref, From};
use iterator_sorted::is_unique_sorted;
use packable::{
    bounded::BoundedU8,
    error::{UnpackError, UnpackErrorExt},
    packer::Packer,
    prefix::BoxedSlicePrefix,
    unpacker::Unpacker,
    Packable,
};

pub use self::{
    address::AddressUnlockCondition, expiration::ExpirationUnlockCondition,
    governor_address::GovernorAddressUnlockCondition, immutable_alias_address::ImmutableAliasAddressUnlockCondition,
    state_controller_address::StateControllerAddressUnlockCondition,
    storage_deposit_return::StorageDepositReturnUnlockCondition, timelock::TimelockUnlockCondition,
};
use crate::{address::Address, create_bitflags, protocol::ProtocolParameters, Error};

///
#[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, From)]
#[cfg_attr(
    feature = "serde",
    derive(serde::Serialize, serde::Deserialize),
    serde(tag = "type", content = "data")
)]
pub enum UnlockCondition {
    /// An address unlock condition.
    Address(AddressUnlockCondition),
    /// A storage deposit return unlock condition.
    StorageDepositReturn(StorageDepositReturnUnlockCondition),
    /// A timelock unlock condition.
    Timelock(TimelockUnlockCondition),
    /// An expiration unlock condition.
    Expiration(ExpirationUnlockCondition),
    /// A state controller address unlock condition.
    StateControllerAddress(StateControllerAddressUnlockCondition),
    /// A governor address unlock condition.
    GovernorAddress(GovernorAddressUnlockCondition),
    /// An immutable alias address unlock condition.
    ImmutableAliasAddress(ImmutableAliasAddressUnlockCondition),
}

impl UnlockCondition {
    /// Return the output kind of an `Output`.
    pub fn kind(&self) -> u8 {
      
    
        pub fn try_from_dto(value: &UnlockConditionDto, token_supply: u64) -> Result<UnlockCondition, DtoError> {
            Ok(match value {
                UnlockConditionDto::Address(v) => UnlockCondition::Address(AddressUnlockCondition::new(
                    (&v.address)
                        .try_into()
                        .map_err(|_e| DtoError::InvalidField("AddressUnlockCondition"))?,
                )),
                UnlockConditionDto::StorageDepositReturn(v) => {
                    UnlockCondition::StorageDepositReturn(StorageDepositReturnUnlockCondition::new(
                        Address::try_from(&v.return_address)?,
                        v.amount.parse::<u64>().map_err(|_| DtoError::InvalidField("amount"))?,
                        token_supply,
                    )?)
                }
                UnlockConditionDto::Timelock(v) => UnlockCondition::Timelock(
                    TimelockUnlockCondition::new(v.timestamp)
                        .map_err(|_| DtoError::InvalidField("TimelockUnlockCondition"))?,
                ),
                UnlockConditionDto::Expiration(v) => UnlockCondition::Expiration(
                    ExpirationUnlockCondition::new(
                        (&v.return_address)
                            .try_into()
                            .map_err(|_e| DtoError::InvalidField("ExpirationUnlockCondition"))?,
                        v.timestamp,
                    )
                    .map_err(|_| DtoError::InvalidField("ExpirationUnlockCondition"))?,
                ),
                UnlockConditionDto::StateControllerAddress(v) => {
                    UnlockCondition::StateControllerAddress(StateControllerAddressUnlockCondition::new(
                        (&v.address)
                            .try_into()
                            .map_err(|_e| DtoError::InvalidField("StateControllerAddressUnlockCondition"))?,
                    ))
                }
                UnlockConditionDto::GovernorAddress(v) => {
                    UnlockCondition::GovernorAddress(GovernorAddressUnlockCondition::new(
                        (&v.address)
                            .try_into()
                            .map_err(|_e| DtoError::InvalidField("GovernorAddressUnlockCondition"))?,
                    ))
                }
                UnlockConditionDto::ImmutableAliasAddress(v) => {
                    let address: Address = (&v.address)
                        .try_into()
                        .map_err(|_e| DtoError::InvalidField("ImmutableAliasAddressUnlockCondition"))?;
                    // An ImmutableAliasAddressUnlockCondition must have an AliasAddress.
                    if let Address::Alias(alias_address) = &address {
                        UnlockCondition::ImmutableAliasAddress(ImmutableAliasAddressUnlockCondition::new(
                            *alias_address,
                        ))
                    } else {
                        return Err(DtoError::InvalidField("ImmutableAliasAddressUnlockCondition"));
                    }
                }
            })
        }