import { InterpreterSpec } from '../types';
/**
 * Checks if the two values
 *
 * @function $eq
 * @param {*} referenceExp Value to be compared to.
 * @param {*} valueExp Value being compared.
 * @returns {Boolean}
 */
export declare const $eq: InterpreterSpec;
/**
 * @function $notEq
 * @param {*} referenceExp Value to be compared to.
 * @param {*} valueExp Value being compared.
 * @returns {Boolean}
 */
export declare const $notEq: InterpreterSpec;
/**
 * Checks whether the value is in the given array.
 *
 * @function $in
 * @param {Array} arrayExp
 * @param {*} valueExp
 * @returns {Boolean}
 */
export declare const $in: InterpreterSpec;
/**
 * Checks whether the value is **not** in the given array.
 *
 * @function $notIn
 * @param {Array} arrayExp
 * @param {*} valueExp
 * @returns {Boolean}
 */
export declare const $notIn: InterpreterSpec;
/**
 * Greater than `value > threshold`
 *
 * @function $gt
 * @param {Number} referenceExp
 * @param {Number} valueExp
 * @returns {Boolean}
 */
export declare const $gt: InterpreterSpec;
/**
 * Greater than or equal `value >= threshold`
 *
 * @function $gte
 * @param {Number} referenceExp
 * @param {Number} valueExp
 * @returns {Boolean}
 */
export declare const $gte: InterpreterSpec;
/**
 * Lesser than `value < threshold`
 *
 * @function $lt
 * @param {Number} referenceExp
 * @param {Number} valueExp
 * @returns {Boolean}
 */
export declare const $lt: InterpreterSpec;
/**
 * Lesser than or equal `value <= threshold`
 *
 * @function $lte
 * @param {Number} referenceExp
 * @param {Number} valueExp
 * @returns {Boolean}
 */
export declare const $lte: InterpreterSpec;
/**
 * Checks if the value matches the set of criteria.
 *
 * @function $matches
 * @param {Object} criteriaExp
 * @param {Number} valueExp
 * @returns {Boolean}
 */
export declare const $matches: InterpreterSpec;
export declare const COMPARISON_EXPRESSIONS: {
    $eq: import("../types").InterpreterSpecSingle;
    $notEq: import("../types").InterpreterSpecSingle;
    $in: import("../types").InterpreterSpecSingle;
    $notIn: import("../types").InterpreterSpecSingle;
    $gt: import("../types").InterpreterSpecSingle;
    $gte: import("../types").InterpreterSpecSingle;
    $lt: import("../types").InterpreterSpecSingle;
    $lte: import("../types").InterpreterSpecSingle;
    $matches: import("../types").InterpreterSpecSingle;
};