export declare type ChainId = number | `0x${string}`;
export declare type SupportedChains = '*' | number[];
export interface Chain {
    name: string;
    shortName: string;
    chain: string;
    chainId: number;
    networkId: number;
    /** RPC endpoint. Might include ${INFURA_API_KEY} or ${ALCHEMY_API_KEY} */
    rpc: string[];
    faucets: string[];
    nativeCurrency: ChainCurrency;
    icon?: string;
    title?: string;
    infoURL?: string;
    slip44?: number;
    ens?: {
        registry: string;
    };
    explorers: ChainExplorer[];
    parent?: ParentChain;
}
export interface ChainIcon {
    url: string;
    width: number;
    height: number;
    format: 'png' | 'jpg' | 'svg';
}
export interface ChainCurrency {
    name: string;
    symbol: string;
    decimals: number;
}
export interface ChainExplorer {
    name: string;
    url: string;
    standard: 'EIP3091';
}
export interface ParentChain {
    type: 'L2';
    chain: string;
    bridges: ChainBridge[];
}
export interface ChainBridge {
    url: string;
}