import { BigNumber } from "@ethersproject/bignumber";
export declare class UnknownSignerError extends Error {
    data: {
        from: string;
        to: string;
        data?: string;
        value?: string | BigNumber;
        contract?: {
            name: string;
            method: string;
            args: any[];
        };
    };
    constructor(data: {
        from: string;
        to: string;
        data?: string;
        value?: string | BigNumber;
        contract?: {
            name: string;
            method: string;
            args: any[];
        };
    });
}
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