export declare const toggle: <T>(values: T[]) => (state: T[]) => T[];
export declare const push: <T>(values: T[]) => (state: T[]) => T[];
export declare const unshift: <T>(values: T[]) => (state: T[]) => T[];
export declare const upsertAt: <T>(val: T, index: number) => (state: T[]) => T[];
export declare const insertAt: <T>(val: T, index: number) => (state: T[]) => T[];