import { getFlags, getTrait, getValue, setTrait, hasFeature, getFlagsForUser, getUserIdentity } from 'flagsmith-nodejs';
import { Observable } from 'rxjs';
export declare class FlagsmithService {
    private readonly flagsmith;
    hasFeature(key: string): Observable<ReturnType<typeof hasFeature> extends Promise<infer T> ? T : never>;
    hasFeature(key: string, userId: string): Observable<ReturnType<typeof hasFeature> extends Promise<infer T> ? T : never>;
    getValue(key: string): Observable<ReturnType<typeof getValue> extends Promise<infer T> ? T : never>;
    getValue(key: string, userId: string): Observable<ReturnType<typeof getValue> extends Promise<infer T> ? T : never>;
    getTrait(...params: Parameters<typeof getTrait>): Observable<ReturnType<typeof getTrait> extends Promise<infer T> ? T : never>;
    getFlags(): Observable<ReturnType<typeof getFlags> extends Promise<infer T> ? T : never>;
    getFlagsForUser(...params: Parameters<typeof getFlagsForUser>): Observable<ReturnType<typeof getFlagsForUser> extends Promise<infer T> ? T : never>;
    getUserIdentity(...params: Parameters<typeof getUserIdentity>): Observable<ReturnType<typeof getUserIdentity> extends Promise<infer T> ? T : never>;
    setTrait(...params: Parameters<typeof setTrait>): Observable<ReturnType<typeof setTrait> extends Promise<infer T> ? T : never>;
}