export declare class InsufficientProvidersError extends Error {
    static name: string;
    constructor(message?: string);
}
export declare class NoRoutersAvailableError extends Error {
    static name: string;
    constructor(message?: string);
}
export declare class UnknownHashAlgorithmError extends Error {
    static name: string;
    constructor(message?: string);
}
export declare class UnknownCodecError extends Error {
    static name: string;
    constructor(message?: string);
}
export declare class InvalidCodecError extends Error {
    static name: string;
    constructor(message?: string);
}
export declare class UnknownCryptoError extends Error {
    static name: string;
    name: string;
}
/**
 * Normally when retrieving a block from a session peer fails, that peer is
 * evicted from the session.
 *
 * This error is thrown when the retrieval failed for a reason not related to
 * that peer, so they should remain in the session.
 */
export declare class NoEvictionError extends Error {
    static name: string;
    name: string;
}
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