import { ActionHistory } from 'verben-workflow-ui/src/lib/models';
import { EnvironmentService, HttpWebRequestService } from 'verben-workflow-ui/src/lib/services';
import * as i0 from "@angular/core";
export declare class TaskHistoryService {
    private httpService;
    private envSvc;
    constructor(httpService: HttpWebRequestService, envSvc: EnvironmentService);
    getTaskHistory(taskCode: string): Promise<any>;
    saveActionHistory(actionHistory: ActionHistory[]): Promise<any>;
    uploadFiles(files: any[]): Promise<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<TaskHistoryService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TaskHistoryService>;
}