import { AxiosError } from 'axios';
export declare enum FederatedBackendsErrorLabel {
    UNREACHABLE_BACKENDS = "UnreachableBackendsError",
    NON_FEDERATING_BACKENDS = "NonFederatingBackendsError"
}
export declare class FederatedBackendsError extends Error {
    readonly label: FederatedBackendsErrorLabel;
    readonly backends: string[];
    constructor(label: FederatedBackendsErrorLabel, backends: string[]);
}
export declare function isFederatedBackendsError(error: unknown): error is FederatedBackendsError;
export declare function handleFederationErrors(error: AxiosError<any>): void;
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