import { Limiter } from './limiter';
import { Scope } from './scope';
export declare type OperatorActionFunction<T> = (items: T[], limiter: Limiter<T>) => T[];
export declare abstract class Operator<T> {
    name: string;
    constructor(name: string);
    abstract action(items: T[], limiter: Limiter<T>): T[];
}
export declare function applyOperators<T>(items: T[], operators: Array<Scope<T> | Operator<T>>, limiter: Limiter<T>): T[];
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