import { ProviderId } from '../../providers';
import { IProvider, ProviderKind, Logger, DispatchRequest, DispatchOutcome, DispatchContext } from './contract';
export declare abstract class BaseProvider implements IProvider {
    abstract readonly id: ProviderId;
    abstract readonly label: string;
    abstract readonly kind: ProviderKind;
    /** Default: no session to resume. CLI providers that probe override this. */
    resolveSession(_root: string, _log: Logger): Promise<string | undefined>;
    abstract dispatch(req: DispatchRequest, ctx: DispatchContext): Promise<DispatchOutcome>;
    /** Default: stateless, never "busy" between dispatches. */
    isBusy(_root: string): boolean;
    /** Default: nothing persistent to tear down. */
    close(_root: string, _log: Logger): void;
}