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The implementation of the domain separator was designed to be as efficient as possible while still properly updating the chain id to protect against replay attacks on an eventual fork of the chain. NOTE: This contract implements the version of the encoding known as \\\"v4\\\", as implemented by the JSON RPC method https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. _Available since v3.4._\",\"kind\":\"dev\",\"methods\":{\"constructor\":{\"details\":\"Initializes the domain separator and parameter caches. The meaning of `name` and `version` is specified in https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. - `version`: the current major version of the signing domain. 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