/**
 * @license
 * Copyright 2025 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import { BaseError } from "@workglow/util";
export declare class StorageError extends BaseError {
    static readonly type: string;
}
export declare class StorageValidationError extends StorageError {
    static readonly type: string;
}
export declare class StorageEmptyCriteriaError extends StorageValidationError {
    static readonly type: string;
    constructor();
}
export declare class StorageInvalidLimitError extends StorageValidationError {
    static readonly type: string;
    constructor(limit: number);
}
export declare class StorageInvalidColumnError extends StorageValidationError {
    static readonly type: string;
    constructor(column: string);
}
export declare class StorageUnsupportedError extends StorageError {
    static readonly type: string;
    constructor(operation: string, backend: string);
}
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