pragma solidity ^0.8.13;

contract CapabilityBitmaskRegistry {
    mapping(address => uint256) private masks;

    function register(uint256 mask) external {
        masks[msg.sender] = mask;
    }

    function supportsCapabilities(address account, uint256 required) external view returns (bool) {
        return (masks[account] & required) == required;
    }
}