/**
 * `webhookToStreamEvent` — pure Q1=A mapping. Takes a normalized
 * `{ githubEvent, action, body }` triple, the epic's ref-set filter, and
 * returns one `CockpitStreamEvent` per matched ref (or null when the payload
 * is out of scope).
 *
 * Contract: `specs/978-summary-generacy-cockpit/contracts/webhook-to-event-mapping.md`.
 *
 * Reuses `CockpitEventSchema` from `../watch/emit.ts` — does NOT extend the
 * enum. `from`/`to` are best-effort null (see contract § "Emitted shape").
 */
import type { CockpitEventValidated } from '../watch/emit.js';
export interface RefSetView {
    epicRef: string;
    epicNumber: number;
    epicRepo: string;
    issues: Set<string>;
    prs: Set<string>;
    watchedRepos: Set<string>;
}
/**
 * Q1=A mapping. Returns exactly one `CockpitEventValidated` for `issues.*` and
 * `pull_request.*` matches, or one per matched PR for `check_run.completed` /
 * `check_suite.completed`. Callers that want single-event semantics should
 * take the first element.
 */
export declare function webhookToStreamEvent(githubEvent: string, action: string, body: Record<string, unknown>, refSet: RefSetView, now: () => string): CockpitEventValidated | CockpitEventValidated[] | null;
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