import type { RuntimePromotionArtifactMarker } from './runtime-promotion-filesystem-types.js';
import type { RuntimeManifestIdentity, RuntimePromotionOwnedSlotName } from './runtime-promotion-journal-schema.js';
export declare const RUNTIME_PROMOTION_ARTIFACT_MARKER_MAX_BYTES = 2048;
export declare const RUNTIME_PROMOTION_ARTIFACT_MARKER_MODE = 384;
declare const MARKER_SLOTS: readonly ["destinationParent", "runtimeStage", "destinationBackup", "sourceTombstone"];
type MarkerSlot = (typeof MARKER_SLOTS)[number];
export declare function encodeRuntimePromotionArtifactMarker(marker: RuntimePromotionArtifactMarker): string;
export declare function parseRuntimePromotionArtifactMarker(content: string): RuntimePromotionArtifactMarker;
export declare function runtimePromotionOwnerMarkerBasename(artifactBasename: string): string;
export declare function runtimePromotionCleanupMarkerBasename(artifactBasename: string): string;
export declare function runtimePromotionRollbackMarkerBasename(stageBasename: string): string;
export declare function markerForOwnedSlot(operationId: string, slot: MarkerSlot, purpose: RuntimePromotionArtifactMarker['purpose'], manifest: RuntimeManifestIdentity | null, rootIdentity?: RuntimePromotionArtifactMarker['rootIdentity']): RuntimePromotionArtifactMarker;
export declare function isRuntimeFilesystemSlot(slot: RuntimePromotionOwnedSlotName): slot is MarkerSlot;
export {};
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