/**
 * a collection of array utility functions
 */
/**
 * Remove the specified object from the given Array
 * @param arr - array from which to remove an object
 * @param obj - to be removed
 * @returns the modified Array
 * let arr = [ "foo", "bar", "baz" ];
 * // remove "foo" from the array
 * me.utils.array.remove(arr, "foo");
 */
export declare function remove<T>(arr: T[], obj: T): T[];
/**
 * return a random array element
 * @param arr - array to pick an element
 * @returns random member of array
 * @example
 * // Select a random array element
 * let arr = [ "foo", "bar", "baz" ];
 * console.log(me.utils.array.random(arr));
 */
export declare function random<T>(arr: T[]): T;
/**
 * return a weighted random array element, favoring the earlier entries
 * @param arr - array to pick an element
 * @returns random member of array
 */
export declare function weightedRandom<T>(arr: T[]): T;
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