import type { Expressions } from "./expressions/index.js";
import type { Formatter, ReversibleFormatter } from "../formatters/common.js";
export type SortDirection = 'asc' | 'desc' | 'none';
/**
 * A formatter that converts any value to a boolean
 *
 * @example
 * Booleanize.instance.format('truthy value') // returns true
 * Booleanize.instance.format(0) // returns false
 */
export default class Sort<T> implements Formatter<T[]> {
    static compare<T>(a: T, b: T): number;
    private readonly sortSettings;
    constructor(sortSettings: {
        path: Expressions;
        direction: SortDirection;
    }[]);
    /**
     * Converts any input value to a boolean using double negation
     * @param a - The value to convert to boolean
     * @returns Boolean representation of the input value
     */
    format(a: Array<T> | undefined | null): T[];
}
export declare class ParserFormatter implements ReversibleFormatter<Expressions, string> {
    unformat(value: Expressions): string;
    format(value: string): Expressions;
}