import type { RepoObservation, RepoSemanticTransition, RepoSnapshot, RepoTransition } from "./repo-state-types.js";
export declare function buildSemanticTransition(previous: RepoSnapshot | null, current: RepoSnapshot, lastTransition: RepoTransition | null): RepoSemanticTransition | null;
export declare function buildObservation(snapshot: RepoSnapshot, checkoutEpoch: number, lastTransition: RepoTransition | null, semanticTransition: RepoSemanticTransition | null): RepoObservation;
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