import { GetProjectService, GetProjectVersionService, InstallExtensionService } from "../../abstractions/index.js";
declare class DefaultInstallExtensionService implements InstallExtensionService.Interface {
    private getProjectVersion;
    private getProject;
    constructor(getProjectVersion: GetProjectVersionService.Interface, getProject: GetProjectService.Interface);
    execute(source: string): Promise<InstallExtensionService.Result>;
}
export declare const installExtensionService: import("@webiny/di").Implementation<typeof DefaultInstallExtensionService>;
export {};