/**
 * Exact, read-only cache-marker classifier shared by Init preflight and status.
 *
 * Core's general cache reader is intentionally tolerant for ordinary no-Init
 * operation. Adoption authority is stricter: the marker must have the exact
 * versioned/legacy shape and pass the same anchored owner-controlled read used
 * by transactional Init.
 */
import { type EphemeralMarker, type EphemeralProjectPaths, type LegacyEphemeralMarker } from '@opensip-cli/core';
export type RuntimePromotionParsedMarker = {
    readonly kind: 'current';
    readonly marker: EphemeralMarker;
} | {
    readonly kind: 'legacy';
    readonly marker: LegacyEphemeralMarker;
};
export interface RuntimePromotionMarkerRecord {
    readonly marker: RuntimePromotionParsedMarker;
    readonly sha256: string;
}
/** Parse only the exact marker shapes that Init may nominate as authority. */
export declare function parseRuntimePromotionMarker(raw: string): RuntimePromotionParsedMarker | undefined;
/** True only for the active marker bound to the current cache generation. */
export declare function currentRuntimePromotionMarkerMatches(marker: EphemeralMarker, paths: EphemeralProjectPaths): boolean;
/**
 * Read and classify one candidate through Init's exact anchored trust posture.
 * Invalid, missing, unsafe, or concurrently replaced records are all
 * non-selectable; callers expose only that bounded fact.
 */
export declare function readRuntimePromotionMarkerRecord(runtimeDir: string): RuntimePromotionMarkerRecord | undefined;
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