import { OpenEditorBackendService, OpenEditorBrowserService } from "../common/protocol";
export declare class OpenEditorBackendServiceClientImpl implements OpenEditorBackendService {
    private clients;
    constructor();
    get client(): OpenEditorBrowserService | null;
    openFile(uri: string): Promise<void | string>;
    closeFile(uri: string): Promise<void>;
    isFileOpen(uri: string): Promise<boolean>;
    setClient(client: OpenEditorBrowserService): void;
    clientDisconnected(client: OpenEditorBrowserService): void;
}
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