/*! Copyright (c) 2019 Siemens AG. Licensed under the MIT License. */
import { CoatyObject } from "./object";
import { ContextFilter, ObjectFilterProperties } from "./object-filter";
/**
 * Provides a static `matchesFilter` method to match an object against a
 * given object filter. Useful for retrieving matching objects on Query events
 * without using a database adapter. Also useful to filter out Coaty objects
 * that match given filter conditions before publishing with Advertise or
 * Channel events.
 */
export declare class ObjectMatcher {
    private static COLLATOR;
    /**
     * Gets an Intl.Collator instance that is shared by all callers.
     * To be used to efficiently perform language-sensitive string comparison.
     * The returned collator object uses default locales and options.
     */
    static get collator(): Intl.Collator;
    /**
     * Determines whether the given object matches the given context filter.
     * Note that if you pass in an `ObjectFilter`, only the filter conditions are
     * heeded for the result.
     *
     * @param obj The object to pass the filter on.
     * @param filter The context filter to apply.
     * @returns true on match; false otherwise
     */
    static matchesFilter(obj: CoatyObject, filter: ContextFilter): boolean;
    /**
     * @internal For internal use in framework only.
     *
     * Gets an array of property names for the given nested properties specified either
     * in dot notation or array notation.
     *
     * @param propNames property names as string in dot notation or as array of property names
     * @returns an array of nested property names
     */
    static getFilterProperties(propNames: ObjectFilterProperties): string[];
    /**
     * @internal For internal use in framework only.
     *
     * Gets the value of a given property for the given object. Property names may be
     * specified to retrieve the value of a nested property of a subordinate object.
     *
     * @param propNames property names as string in dot notation or as array of property names
     * @param obj a Coaty object
     * @returns the value of the nested properties of the given object
     */
    static getFilterPropertyValue(propNames: ObjectFilterProperties, obj: CoatyObject): any;
    private static _matchesCondition;
    private static _createLikeRegexp;
}