/**
 * Custom Error class representing an invalid date format error.
 */
export declare class InvalidDateError extends Error {
    /** Static error code to identify the error type. */
    static ERROR: string;
    /** Expected date format that caused the error. */
    format?: string;
    /** Date value that failed validation. */
    value?: string;
    /**
     * Creates a new InvalidDateError.
     *
     * @param {string} [format] - Expected date format that caused the error.
     * @param {string} [value] - Date value that failed validation.
     * @param {string} [message] - Optional custom error message.
     */
    constructor(format?: string, value?: string, message?: string);
}
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