import { QdColumnDirective } from '../directives/column.directive';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class QdGridService {
    columnDirectives: QdColumnDirective[];
    private _gridSizeSubject;
    get gridSize$(): Observable<number>;
    set gridSize(gridSize: number);
    registerColumnDirective(columnDirective: QdColumnDirective): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<QdGridService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<QdGridService>;
}
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