import { Task } from "../models/Task";
import { ServiceResponse } from "../models/ServiceResponse";
import { GetByFiltersArguments } from "../models/GetByFiltersArguments";
import { TaskDoneDetails } from "../models/TaskDoneDetails";
export declare class TaskService {
    getTasksByFilters: (apiQueryFilter: GetByFiltersArguments) => Promise<ServiceResponse<Task[]>>;
    getTask: (id: number) => Promise<Task>;
    addTask: (task: Task) => Promise<Task>;
    updateTask: (task: Task) => Promise<ServiceResponse<Task>>;
    doneTask: (taskDoneDetails: TaskDoneDetails) => Promise<ServiceResponse<Task>>;
    saveTask: (taskDoneDetails: TaskDoneDetails) => Promise<ServiceResponse<Task>>;
    groupByField: (groupBy: {
        Field: string;
        IsCustom: boolean;
        DataType: string | null;
        ApiQueryFilter: GetByFiltersArguments;
    }) => Promise<any>;
}