import * as v from '../../../../../../shared/src/valita.ts';
/** At the moment, the only upstream messages are status messages.  */
export declare const changeSourceUpstreamSchema: v.TupleType<[v.Type<"status">, v.ObjectType<{}, undefined>, v.ObjectType<{
    watermark: v.Type<string>;
}, undefined>]>;
export type ChangeSourceUpstream = v.Infer<typeof changeSourceUpstreamSchema>;
//# sourceMappingURL=upstream.d.ts.map