import type { FeatureFlags } from '@vizor-vr/shared';
/**
 * Tier gating for player features (webxr, spatialAudio, tours, cinema, playlist,
 * …). This is the feature-flag analogue of `resolveFormatGate` in format-gate.ts.
 *
 * Per product decision the player degrades gracefully rather than hard-failing:
 * a tier that lacks a feature falls back to a sensible baseline (e.g. a tour
 * shows its start panorama without portal navigation, a playlist plays its first
 * item, spatial audio plays as plain stereo) instead of blocking. So the only
 * two outcomes here are `allow` (feature licensed) and `degrade` (feature not
 * licensed — the caller applies its own fallback). A caller that has *no*
 * sensible fallback can still choose to render an upgrade overlay on `degrade`.
 */
export type FeatureGateDecision = {
    action: 'allow';
} | {
    action: 'degrade';
};
/**
 * Decide whether a feature may run under the current license.
 *
 * @param _feature the feature flag name (kept for call-site clarity + future
 *   per-feature policy; the decision today depends only on `enabled`).
 * @param enabled whether the resolved license enables the feature.
 */
export declare function resolveFeatureGate(_feature: keyof FeatureFlags, enabled: boolean): FeatureGateDecision;
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