import { AxiosInstance, AxiosPromise, AxiosResponse } from 'axios';
import { Observable } from 'rxjs';
export declare class ContentService {
    protected readonly instance: AxiosInstance;
    protected readonly target: string;
    constructor(instance?: AxiosInstance, target?: string);
    verifyContent(contents: unknown[]): Promise<void>;
    postContent(targetId: string, contents: unknown[]): Promise<void>;
    deleteContent(targetId: string): Promise<void>;
    get axiosRef(): AxiosInstance;
    protected makeObservable<T>(axios: (...args: any[]) => AxiosPromise<T>, ...args: any[]): Observable<AxiosResponse<T, any>>;
}