export interface FabricCacheHoldOptions {
    /** self is the local Pi session; main is accepted only in a root Pi runtime. */
    target?: "self" | "main";
    durationMs: number;
    /** Requires native admission support; currently returns unsupported, never ignored. */
    maxRefreshes?: number;
    /** Requires native admission support; currently returns unsupported, never ignored. */
    maxCostUsd?: number;
}
export interface FabricCacheLease {
    id: string;
    scope: "session" | "component";
    sessionId: string;
    model: string;
    expiresAt: number;
}
export type FabricCacheHoldResult = ({
    status: "held";
} & FabricCacheLease) | {
    status: "unsupported" | "unavailable";
    reason: string;
};
export interface FabricCacheSample {
    entryId: string;
    observedAt: number;
    input: number;
    cacheRead: number;
    cacheWrite: number;
    output: number;
    totalInput: number;
    cacheReadShare: number;
    reportedCostUsd: number | null;
}
export interface FabricCacheObservation {
    lastRequest: FabricCacheSample | null;
    lastRefresh: FabricCacheSample | null;
    maintenance: {
        requests: number;
        tokens: number;
        reportedCostUsd: number;
        unknownCostRequests: number;
        unknownTokenRequests: number;
    };
    window: {
        entries: number;
        limit: number;
        truncated: boolean;
        stoppedAt: string | null;
    };
}
export interface FabricCacheStatus {
    target: "self";
    sessionId: string;
    model: string | null;
    supported: boolean;
    reason: string | null;
    limits: {
        durationMs: true;
        maxRefreshes: false;
        maxCostUsd: false;
    };
    leases: FabricCacheLease[];
    /** Native scheduling/residency is not observable through the scoped lease API. */
    scheduled: null;
    cleanupError: string | null;
    observation: FabricCacheObservation;
}
//# sourceMappingURL=types.d.ts.map