export type Equality<T> = (a: T, b: T) => boolean;
export declare function eqeqeq<T>(a: T, B: T): boolean;
export declare function seqStartsWith<T>(haystack: ArrayLike<T>, needle: ArrayLike<T>, eq?: Equality<T>): boolean;
export declare function seqEndsWith<T>(haystack: ArrayLike<T>, needle: ArrayLike<T>, eq?: Equality<T>): boolean;
export declare function seqContains<T>(haystack: ArrayLike<T>, needle: ArrayLike<T>, eq?: Equality<T>): boolean;