export declare type Predicate<T> = (value: T) => boolean;
export declare function is<T>(input: T): Predicate<T>;
export declare function isNot<T>(input: T): Predicate<T>;
export declare function not<T>(predicate: Predicate<T>): Predicate<T>;
export declare function all<T>(...predicates: Predicate<T>[]): Predicate<T>;
export declare function either<T>(...predicates: Predicate<T>[]): Predicate<T>;
export declare function neither<T>(...predicates: Predicate<T>[]): Predicate<T>;
export declare function atLeast<T>(minimum: number, ...predicates: Predicate<T>[]): Predicate<T>;
export declare function atMost<T>(maximum: number, ...predicates: Predicate<T>[]): Predicate<T>;
export declare function exactly<T>(count: number, ...predicates: Predicate<T>[]): Predicate<T>;
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