import type { UnknownRestBinding } from '../rest-bindings.ts';
import type { WorkflowStreamConnectionLease } from '../runtime/websocket-stream.ts';
import { type EventEnvelope, type WorkflowEventFeed } from '../workflow-event-feed.ts';
export type WorkflowStreamConnectionAcquirer = (workflowId: string) => WorkflowStreamConnectionLease | null;
export type EventStreamOperationContext = {
    readonly workflowEventFeed?: WorkflowEventFeed;
    readonly acquireWorkflowStreamConnection?: WorkflowStreamConnectionAcquirer;
};
type WorkflowEventsSseOutput = AsyncIterable<EventEnvelope>;
export declare const workflowEventsSseOperation: import("../operation-catalog.ts").OperationDefinition<{
    workflowId: string;
    selector: "events" | "tokens";
    fromCursor?: string | undefined;
    lastEventId?: string | undefined;
}, WorkflowEventsSseOutput, EventEnvelope>;
export declare const workflowEventsSseRestBinding: UnknownRestBinding;
export {};