interface IERAC {
    /**
     * @dev Query the TokenId(ERAC) list for the specified account.
     *
     */
    function getTokenIds(address owner) external view returns (uint256[] memory);
}
/**
 * @title Interface for other's contracts use
 * @dev This functions will be called by other's contracts
 */
function getTokenIds(address owner) external view returns (uint256[] memory);

/**
 * @dev Query the TokenId(ERAC) list for the specified account.
 *
 */