/**
 * Cloud quota management for tiered pricing.
 * Only enforced for cloud.aidimag.com, not custom self-hosted servers.
 */
export interface UserPlan {
    tier: "free" | "starter" | "developer" | "team" | "custom";
    memoryLimit: number | null;
    apiKeyLimit: number;
    syncRateLimit: string | null;
}
export interface QuotaStatus {
    currentMemories: number;
    limit: number | null;
    available: number;
    exceeded: boolean;
    plan: UserPlan;
}
export interface SelectionChoice {
    action: "update-only" | "select" | "replace" | "upgrade" | "cancel";
    selectedIds?: string[];
}
/**
 * Check if quota enforcement should apply for this server.
 * Only enforces for official cloud.aidimag.com, not custom servers.
 */
export declare function shouldEnforceQuota(serverUrl: string): boolean;
/**
 * Get user's current plan from the cloud server.
 * Returns null if server doesn't support plan API or user is on custom server.
 */
export declare function getUserPlan(serverUrl: string, token: string, fetchFn?: typeof fetch): Promise<UserPlan | null>;
/**
 * Calculate quota status based on current cloud state and user plan.
 */
export declare function calculateQuotaStatus(cloudMemoryCount: number, plan: UserPlan): QuotaStatus;
/**
 * Format quota status for display.
 */
export declare function formatQuotaMessage(status: QuotaStatus): string;
/**
 * Get upgrade URL for the cloud service.
 */
export declare function getUpgradeUrl(serverUrl: string): string;