/**
 * Randomly selects one item from an array with uniform probability.
 */
export declare function randomlyPick<T>(input: T[]): T;
/**
 * Moves one item of an array in place and returns the mutated array.
 * @param arr - Array
 * @param from - Index of item to move
 * @param to - Index to move it to
 */
export declare function moveArrayItem(arr: any[], from: number, to: number): any[];
/**
 * Returns `true` if the value is defined and does not appear in the array.
 * @param value - Value
 * @param array - Array
 */
export declare function mismatch(value: any, array: any[]): boolean;
/**
 * Returns `true` if the value is undefined or appears in the array.
 * @param value - Value
 * @param array - Array
 */
export declare function matchIfDefined(value: any, array: any[]): boolean;
//# sourceMappingURL=ArrayUtils.d.ts.map