/**
 * @module FileStorage
 */
import { type InferInstance } from "../../utilities/_module.js";
/**
 * The error is thrown when a file key is not found
 *
 * IMPORT_PATH: `"@daiso-tech/core/file-storage/contracts"`
 * @group Errors
 */
export declare class KeyNotFoundFileError extends Error {
    static create(key: string, cause?: unknown): KeyNotFoundFileError;
    /**
     * Note: Do not instantiate `KeyNotFoundFileError` directly via the constructor. Use the static `create()` factory method instead.
     * The constructor remains public only to maintain compatibility with errorPolicy types and prevent type errors.
     * @internal
     */
    constructor(message: string, cause?: unknown);
}
/**
 * The error is thrown when a file key already exists found
 *
 * IMPORT_PATH: `"@daiso-tech/core/file-storage/contracts"`
 * @group Errors
 */
export declare class KeyExistsFileError extends Error {
    static create(key: string, cause?: unknown): KeyExistsFileError;
    /**
     * Note: Do not instantiate `KeyExistsFileError` directly via the constructor. Use the static `create()` factory method instead.
     * The constructor remains public only to maintain compatibility with errorPolicy types and prevent type errors.
     * @internal
     */
    constructor(message: string, cause?: unknown);
}
/**
 * The error is thrown when file key is invalid.
 *
 * IMPORT_PATH: `"@daiso-tech/core/file-storage/contracts"`
 * @group Errors
 */
export declare class InvalidKeyFileError extends Error {
    static create(message: string, cause?: unknown): InvalidKeyFileError;
    /**
     * Note: Do not instantiate `InvalidKeyFileError` directly via the constructor. Use the static `create()` factory method instead.
     * The constructor remains public only to maintain compatibility with errorPolicy types and prevent type errors.
     * @internal
     */
    constructor(message: string, cause?: unknown);
}
/**
 * IMPORT_PATH: `"@daiso-tech/core/file-storage/contracts"`
 * @group Errors
 */
export declare const FILE_STORAGE_ERRORS: {
    readonly KeyNotFound: typeof KeyNotFoundFileError;
    readonly KeyExists: typeof KeyExistsFileError;
    readonly InvalidKey: typeof InvalidKeyFileError;
};
/**
 * IMPORT_PATH: `"@daiso-tech/core/file-storage/contracts"`
 * @group Errors
 */
export type AllFileErrors = InferInstance<(typeof FILE_STORAGE_ERRORS)[keyof typeof FILE_STORAGE_ERRORS]>;
/**
 * IMPORT_PATH: `"@daiso-tech/core/file-storage/contracts"`
 * @group Errors
 */
export declare function isFileError(value: unknown): value is AllFileErrors;