// @flow

import sortBy from "lodash/fp/sortBy";
import negate from "lodash/fp/negate";
import lt from "lodash/fp/lt";
import isEqual from "lodash/fp/isEqual";
import gt from "lodash/fp/gt";
export type OperatorKeys = $Keys<{BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, GT: <T>(expectedValues: Array<T>, value: T) => boolean, GTE: <T>(expectedValues: Array<T>, value: T) => boolean, IN: <T>(expectedValues: Array<T>, value: T) => boolean, LT: <T>(expectedValues: Array<T>, value: T) => boolean, LTE: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_IN: <T>(expectedValues: Array<T>, value: T) => boolean}>;
declare export default function<T>(operatorKey: $Keys<{BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, GT: <T>(expectedValues: Array<T>, value: T) => boolean, GTE: <T>(expectedValues: Array<T>, value: T) => boolean, IN: <T>(expectedValues: Array<T>, value: T) => boolean, LT: <T>(expectedValues: Array<T>, value: T) => boolean, LTE: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_BETWEEN: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_EQUALS: <T>(expectedValues: Array<T>, value: T) => boolean, NOT_IN: <T>(expectedValues: Array<T>, value: T) => boolean}>, expectedValues: Array<T>, value: ?T): boolean;