sequelize-typescript/lib/utils/array.d.ts

Decorators and some other extras for sequelize (v3 + v4)

/**
 * Removes duplicates from specified array
 */
export declare function unique<T>(arr: T[]): T[];
/**
 * Returns true for items, that only exists once on an array
 */
export declare const uniqueFilter: (item: any, index: any, arr: any) => boolean;