import { FormArray } from '@angular/forms';
import { Label, LogicalOperator } from '../public/modifier-options';
import { Observable } from 'rxjs';
import { LabelAsFormGroup, LabelOrTagSelection } from './LabelOrTagSelection';
/**
 * Heir of {@link FilterSelection} representing the selection from a label tab.
 */
export declare class LabelSelection extends LabelOrTagSelection<Label> {
    additionalAction: boolean;
    additionalActionId: string | undefined;
    additionalActionName: string | undefined;
    selectedItemsAsForm: FormArray<LabelAsFormGroup>;
    constructor(searchKeys: (key: string) => Observable<Array<string>>, searchValues: (key: string, value: string) => Observable<Array<string>>, title: string, id: string, logicOperation?: LogicalOperator, labels?: Array<Label>, propagateLabels?: boolean, propagateLabelsId?: string, additionalActionName?: string);
    addNewFormGroup(): void;
    createEmptyObject(): Label;
    isItemSelected(label: Label): boolean;
    select(selectedItem: Label): void;
    deselect(deselectedLabel: Label): void;
    getTooltip(): string;
    getSize(): number;
    clearSelections(): void;
    copy(): LabelSelection;
    private initLabels;
    createFormGroup(label: Label, rowId: number): LabelAsFormGroup;
}