import { IsotopeFormatEncoding } from "./encoding";
/**
 * Isotope dictionary
 */
export interface IsotopeDictionary {
    [key: string]: string | string[];
}
/**
 * Isotope format options
 */
export interface IsotopeFormatOptions {
    encoding?: IsotopeFormatEncoding;
    multiple?: boolean;
}
/**
 * Flatten data into a dictionary
 *
 * @template T - Data type
 *
 * @param data - Data to flatten and encode
 * @param options - Format options
 * @param path - Path prefix to prepend to name
 *
 * @return Encoded dictionary
 */
export declare function flatten<T extends {}>(data: T, options?: Partial<IsotopeFormatOptions>, path?: string[]): IsotopeDictionary;
/**
 * Unflatten an encoded dictionary
 *
 * @template T - Data type
 *
 * @param dict - Dictionary to unflatten and decode
 * @param options - Format options
 *
 * @return Decoded data
 */
export declare function unflatten<T extends {}>(dict: IsotopeDictionary, options?: Partial<IsotopeFormatOptions>): T;