On this pageDictionaryBase Git Source Inherits: IDictionaryCore, IVerifiable State Variables functions mapping(bytes4 selector => address implementation) internal functions; functionSelectorList bytes4[] internal functionSelectorList; facade address internal facade; Functions getImplementation function getImplementation(bytes4 selector) external view returns (address); implementation function implementation() external view returns (address); supportsInterface function supportsInterface(bytes4 interfaceId) external view returns (bool); Parameters NameTypeDescriptioninterfaceIdbytes4equals to the function selector supportsInterfaces Specification 3.1.1.2 function supportsInterfaces() external view returns (bytes4[] memory); _setImplementation function _setImplementation(bytes4 _selector, address _impl) internal virtual; __deleteImplementation function __deleteImplementation(bytes4 _selector) internal virtual; __updateFunctionSelectorList function __updateFunctionSelectorList(bytes4 _selector) internal virtual; __existsSameSelector function __existsSameSelector(bytes4 _selector) internal virtual returns (bool); __updateImplementation function __updateImplementation(bytes4 _selector, address _impl) internal virtual; _upgradeFacade function _upgradeFacade(address _newFacade) internal virtual;