import { TypeDBCredential } from "../api/connection/TypeDBCredential";
import { TypeDBStub } from "../common/rpc/TypeDBStub";
import { TypeDBClient as GRPCStub } from "typedb-protocol/proto/typedb-service";
export declare class TypeDBStubImpl extends TypeDBStub {
    private readonly _credential;
    private _token;
    private readonly _stub;
    constructor(address: string, credential?: TypeDBCredential);
    open(): Promise<void>;
    private createChannelCredentials;
    private createCallCredentials;
    mayRenewToken<RES>(fn: () => Promise<RES>): Promise<RES>;
    stub(): GRPCStub;
}