import type { PricingTier, PricingTierConfig, ApiKeyInfo, AgentSpecialization } from '../runtime/types.js';
export declare class PricingEnforcer {
    private apiKeys;
    /** Register an API key with its tier. */
    registerKey(key: string, tier: PricingTier, organizationId: string): void;
    /** Get the tier config for an API key. */
    getTierConfig(apiKey: string): PricingTierConfig | null;
    /** Get API key info. */
    getKeyInfo(apiKey: string): ApiKeyInfo | null;
    /**
     * Check if the requested agents are allowed for this tier.
     * Returns the agents that are allowed and any that were filtered out.
     */
    filterAgents(apiKey: string, requestedAgents: readonly AgentSpecialization[]): {
        allowed: AgentSpecialization[];
        denied: AgentSpecialization[];
        reason: string | null;
    };
    /**
     * Record a verification and check if the monthly limit is exceeded.
     * Returns whether the verification is allowed (within limits or overage).
     */
    recordVerification(apiKey: string): {
        allowed: boolean;
        isOverage: boolean;
        count: number;
        limit: number;
        overageCostCents: number;
    };
    /**
     * Get current usage for an API key.
     */
    getUsage(apiKey: string): {
        verificationsUsed: number;
        verificationsLimit: number;
        overageCount: number;
        estimatedOverageCostCents: number;
    } | null;
    /**
     * Reset monthly verification count (called at billing cycle).
     */
    resetMonthlyUsage(apiKey: string): void;
    /** Check if an API key exists and is valid. */
    isValidKey(apiKey: string): boolean;
}