/**
 * Artifact Collector — gathers artifact references from pipeline stages.
 *
 * Walks every required stage in a PipelineState and collects:
 *  - ArtifactRef[] (flattened, deduplicated by id)
 *  - StageRecord[] (ordered by pipeline sequence)
 */
import type { PipelineState, ArtifactRef, StageRecord } from '../types/index.js';
export declare const ENDGAME_ARTIFACT_TYPES: {
    readonly README_DIFF: "readme_diff";
    readonly VERSION_CHANGE: "version_change";
    readonly PUBLISH_RESULT: "publish_result";
    readonly GAP_SCAN_REPORT: "gap_scan_report";
};
export type EndgameArtifactType = (typeof ENDGAME_ARTIFACT_TYPES)[keyof typeof ENDGAME_ARTIFACT_TYPES];
/** Collect all artifacts from every required stage, deduplicated by id. */
export declare function collectArtifacts(state: PipelineState): ArtifactRef[];
/** Collect stage records in pipeline-defined order. */
export declare function collectStageRecords(state: PipelineState): StageRecord[];
/**
 * Check whether all required (non-skipped) stages have passed.
 * Skipped stages are considered acceptable for delivery.
 */
export declare function allRequiredStagesPassed(state: PipelineState): boolean;
/** Collect clarificationRefs from all required stages, deduplicated by id. */
export declare function collectClarificationRefs(state: PipelineState): ArtifactRef[];
export declare function inferEndgameArtifactType(filePath: string): EndgameArtifactType | null;
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