methods {
    function DEFAULT_ADMIN_ROLE() external returns (bytes32) envfree;
    function hasRole(bytes32, address) external returns(bool) envfree;
    function getRoleAdmin(bytes32) external returns(bytes32) envfree;
    function grantRole(bytes32, address) external;
    function revokeRole(bytes32, address) external;
    function renounceRole(bytes32, address) external;
}