export declare class TimeoutError extends Error {
    constructor(message?: string);
}
export declare class UnsupportedProtocolError extends Error {
    constructor(protocol: string);
}
export declare class InvalidAddressOrEnsError extends Error {
    constructor();
}
export declare class InvalidAddressError extends Error {
    constructor();
}
export declare class InvalidProposalIdError extends Error {
    constructor();
}
export declare class InvalidProposalIdVoteError extends Error {
    constructor();
}
export declare class InvalidProposalIdInsufficientVotesError extends Error {
    constructor();
}
export declare class InvalidProposalIdCancelError extends Error {
    constructor();
}
export declare class NoProviderError extends Error {
    constructor();
}
export declare class NoSignerError extends Error {
    constructor();
}
export declare class UnexpectedActionError extends Error {
    constructor();
}