// Source: contracts/interfaces/IImplementation.sol

pragma solidity ^0.8.0;

// SPDX-License-Identifier: MIT

// File contracts/interfaces/IContractIdentifier.sol

// General interface for upgradable contracts
interface IContractIdentifier {
    /**
     * @notice Returns the contract ID. It can be used as a check during upgrades.
     * @dev Meant to be overridden in derived contracts.
     * @return bytes32 The contract ID
     */
    function contractId() external pure returns (bytes32);
}

// File contracts/interfaces/IImplementation.sol

interface IImplementation is IContractIdentifier {
    error NotProxy();

    function setup(bytes calldata data) external;
}