export declare const metalL2: {
    blockExplorers: {
        readonly default: {
            readonly name: "Explorer";
            readonly url: "https://explorer.metall2.com";
            readonly apiUrl: "https://explorer.metall2.com/api";
        };
    };
    contracts: {
        readonly l2OutputOracle: {
            readonly 1: {
                readonly address: "0x3B1F7aDa0Fcc26B13515af752Dd07fB1CAc11426";
            };
        };
        readonly multicall3: {
            readonly address: "0xcA11bde05977b3631167028862bE2a173976CA11";
            readonly blockCreated: 0;
        };
        readonly portal: {
            readonly 1: {
                readonly address: "0x3F37aBdE2C6b5B2ed6F8045787Df1ED1E3753956";
            };
        };
        readonly l1StandardBridge: {
            readonly 1: {
                readonly address: "0x6d0f65D59b55B0FEC5d2d15365154DcADC140BF3";
            };
        };
    };
    id: 1750;
    name: "Metal L2";
    nativeCurrency: {
        readonly decimals: 18;
        readonly name: "Ether";
        readonly symbol: "ETH";
    };
    rpcUrls: {
        readonly default: {
            readonly http: readonly ["https://rpc.metall2.com"];
            readonly webSocket: readonly ["wss://rpc.metall2.com"];
        };
    };
    sourceId: 1;
    testnet?: boolean | undefined;
    custom?: Record<string, unknown> | undefined;
    fees?: import("../core/Types.js").ChainFees<undefined> | undefined;
    formatters?: undefined;
    serializers?: import("../core/Types.js").ChainSerializers<undefined, import("../core/TransactionEnvelope.js").TransactionEnvelope> | undefined;
};
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