import type { Entity } from '../Entity';
import type { Scene } from '../Scene';
import type { QueryComponent, QueryKey } from './Query';
import { Query } from './Query';
export declare type QueryReacts = 'added' | 'removed' | 'modified';
export declare type QueriesObject = {
    [x: string]: {
        components: QueryComponent[];
        added?: boolean;
        removed?: boolean;
        modified?: boolean;
    };
};
export declare type QueryResults = {
    [x: string]: Query;
};
export declare class QueryManager {
    private readonly _scene;
    private readonly _queries;
    constructor(world: Scene);
    /**
     * Adds/removes an entity from a query after a component has been added
     * @param entity - entity to be added/removed
     */
    onEntityComponentAdded(entity: Entity): void;
    /**
     * Adds/removes an entity from a query after a component has been removed
     * @param entity - entity to be added/removed
     */
    onEntityComponentRemoved(entity: Entity): void;
    /**
     * Adds an entity to any matching queries
     * @param entity - entity to be added
     */
    onEntityAdded(entity: Entity): void;
    /**
     * Removed an entity from any matching queries
     * @param entity - entity to be removed
     */
    onEntityRemoved(entity: Entity): void;
    /**
     * Returns a query based off of the components provided
     * @param components - components to check
     * @param name - name of the query
     */
    getQuery(components: QueryComponent[], name: string): Query;
    /**
     * Generate a query key using component ids
     * @param components - components to generate key
     */
    generateQueryKey(components: QueryComponent[]): QueryKey;
}
//# sourceMappingURL=QueryManager.d.ts.map