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85function initDoReceiveFeeCollectorFacet(
86    Layout storage l,
87    bytes calldata initDoReceiveFeeCollectorData
88) internal returns (address, address, uint256) {
89    if (l.isInitialized) revert AlreadyInitialized();
90
91    (address feeCollector, address limitSetter, uint256 feeProportion) = abi.decode(
92        initDoReceiveFeeCollectorData,
93        (address, address, uint256)
94    );
95
96    // If feeProportion is 0, then nothing should be checked or stored.
97    // If a function that can change feeProportion is added, then on the case feeProportion == 0, we should store feeCollector anyways.
98    if (feeProportion != 0) {
99        if (feeCollector == address(0) || limitSetter == address(0)) revert WrongInitializationData();
100
101        l.feeCollector = feeCollector;
102        l.limitSetter = limitSetter;
103        l.feeProportion = feeProportion;
104    }
105
106    l.isInitialized = true;
107
108    return (l.feeCollector, l.limitSetter, l.feeProportion);
109}