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// File: openzeppelin-solidity/contracts/ownership/Ownable.sol
pragma solidity ^0.5.2;
/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    /**
     * @dev The Ownable constructor sets the original `owner` of the contract to the sender
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/**
Matic network contracts
*/
pragma solidity ^0.5.2;
interface IGovernance {
    function update(address target, bytes calldata data) external;
}
contract Governable {
    IGovernance public governance;
    constructor(address _governance) public {
        governance = IGovernance(_governance);
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// File: contracts/common/governance/IGovernance.sol
pragma solidity ^0.5.2;
interface IGovernance {
    function update(address target, bytes calldata data) external;
}
// File: contracts/common/governance/Governable.sol
pragma solidity ^0.5.2;
contract Governable {
    IGovernance public governance;
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