export interface CapturedMeshGrant {
    readonly expiresAt: number;
    readonly uses: number;
    readonly topic: string;
    readonly kind?: string;
}
declare const PLANS: readonly ["Invalid", "Expired", "Exhausted", "Topic", "Kind", "Consume"];
/** Trusted codec: complete identities share one table; no hash or prefix is used.
 * Authentication is a host observation. Only the compiled plan authorizes use. */
export declare const takeMeshGrant: (grant: CapturedMeshGrant | undefined, request: {
    authenticated: boolean;
    now: number;
    topic?: string;
    kind?: string;
}) => {
    plan: (typeof PLANS)[number];
    uses: number;
    topic: string;
    kind: string;
};
export {};
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