import { type StudioCliEvent, type StudioCliEventType } from "openxiangda-contracts";
export declare class StudioCliEventStream {
    readonly runId: string;
    private readonly write;
    private sequence;
    constructor(runId: string, write?: (event: StudioCliEvent) => void);
    emit(type: StudioCliEventType, payload: Record<string, unknown>): StudioCliEvent;
}
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