import { IComparator } from "@drozdik.m/common-interfaces/IComparator";
import { IClonable } from "@drozdik.m/common-interfaces/IClonable";
import { IDisposable } from "@drozdik.m/common-interfaces/IDisposable";
/**
 * Class for easy handling of comparators. If explicit comparator is set, automatic
 * recognition of IComparable interface is turned off (on by default). It can be also turned
 * off manually. The class starts with default comparator for primitive types.
 * @author Martin Drozdík <info@bonsai-development.cz> (http://bonsai-development.cz)
 * */
export declare class ComparatorHandler<T> implements IClonable<ComparatorHandler<T>>, IDisposable {
    /**
     * Default comparator function.
     * Returns -1 if a < b
     * Returns 0 if a == b
     * Returns 1 if a > b
     * @param a Item #1
     * @param b Item #2
     */
    private DefaultComparator;
    private comparator;
    protected automaticIComparableRecognition: boolean;
    /**
     * Creates new instance of ConparatorHandler. If explicit comparator is set,
     * automatic recognition of IEcomparable if turned off.
     * @param comparator Explicit comparator
     */
    constructor(comparator?: IComparator<T>);
    Clone(): ComparatorHandler<T>;
    /**
     * Sets new comparator to use and turns off the automatic IComparable recognition.
     * @param newComparator? The new comparator (nullable)
     */
    SetComparator(newComparator?: IComparator<T>): void;
    /**
     * Set the automatic recognition on/off
     * @param OnOff True for on, false for off
     */
    SetAutomaticIComparableRecognition(OnOff: boolean): void;
    /**
     * If automatic IComparable recognition is on, tries to find new comparator.
     * @param item Item to dig in
     */
    private AutomaticIComparableRecognition;
    /**
     * Comparator function. If no explicit comparator has been set and automatic IComparable recognition
     * is on, the comparator function is set to a.GetComparator().
     * Returns -1 if a < b
     * Returns 0 if a == b
     * Returns 1 if a > b
     * @param a Item #1
     * @param b Item #2
     */
    Compare(a: T, b: T): number;
    Dispose(): void;
}