export type XchainConfig = {
    supportedRpcUrls: {
        [chainId: number]: string;
    };
    etherNativeNetworkIds: number[];
    ethereumNetworkIds: number[];
    skipFetchSetup?: boolean;
};
export type XchainConfigOptions = {
    skipFetchSetup?: boolean;
};
interface ParsedObject {
    [key: number]: string;
}
export declare function getDefaultXChainIds(baseChainId: number): number[];
export declare const validateAndParseXChainConfig: (input: string) => ParsedObject;
export declare function getXchainConfig(baseChainId: number, supportedXChainRpcMapping: {
    [chainId: number]: string;
}, options?: XchainConfigOptions): XchainConfig;
export {};
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