aave-protocol-v2/contracts/interfaces/IAaveIncentivesController.sol

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.6.8;
pragma experimental ABIEncoderV2;

interface IAaveIncentivesController {
  function handleAction(
    address user,
    uint256 userBalance,
    uint256 totalSupply
  ) external;
}