export declare class EthereumOptions {
    rpc: {
        wss?: string;
    };
}
export declare function options(options: Partial<EthereumOptions>): {
    provide: typeof EthereumOptions;
    useValue: {
        rpc: {
            wss?: string | undefined;
        };
    };
};
export declare function useOptions(): EthereumOptions;
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