import { SegueRefOrSegueRefRouterLink } from '@dereekb/dbx-core';
import { type Maybe } from '@dereekb/util';
import * as i0 from "@angular/core";
/**
 * Used with a DbxTwoColumnComponent to set the backRef of the TwoColumnsContextStore.
 */
export declare class DbxTwoColumnSrefDirective {
    private readonly _twoColumnsContextStore;
    readonly dbxTwoColumnSref: import("@angular/core").InputSignal<Maybe<SegueRefOrSegueRefRouterLink>>;
    protected readonly _dbxTwoColumnSrefEffect: import("@angular/core").EffectRef;
    static ɵfac: i0.ɵɵFactoryDeclaration<DbxTwoColumnSrefDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DbxTwoColumnSrefDirective, "[dbxTwoColumnSref]", never, { "dbxTwoColumnSref": { "alias": "dbxTwoColumnSref"; "required": true; "isSignal": true; }; }, {}, never, never, true, never>;
}
