import { BsModalService } from 'ngx-bootstrap/modal';
import { GroupMember } from '@schoolbelle/api/group-member';
import { GroupService } from '@schoolbelle/api/group';
import { LetterTargetService, Target, SimplifiedTarget } from '@schoolbelle/api/letter-target';
import { Observable } from 'rxjs';
export declare class SelectLetterTargetsModalService {
    private modalService;
    private groupService;
    private target;
    constructor(modalService: BsModalService, groupService: GroupService, target: LetterTargetService);
    prepare(targets?: Target[]): Observable<any>;
    open(targets?: Target[], tab?: 'studentparent' | 'faculty'): Observable<{
        targets: Target[];
        simplifiedTargets: SimplifiedTarget[];
        members: GroupMember[];
    }>;
}