import type { Address, Chain } from 'viem';
/**
 * Subscription tier configuration
 */
export interface SubscriptionTierConfig {
    value: number;
    name: string;
    displayName: string;
}
/**
 * Subscription period configuration
 */
export interface SubscriptionPeriodConfig {
    value: number;
    name: string;
    displayName: string;
    days: number;
}
/**
 * Subscription network configuration
 */
export interface SubscriptionNetworkConfig {
    chainId: number;
    contractAddress: Address;
    chain?: Chain;
    tiers: SubscriptionTierConfig[];
    periods: SubscriptionPeriodConfig[];
}
/**
 * Complete subscription configuration
 * If not provided or enabled is false, subscription system is disabled
 */
export interface SubscriptionConfig {
    enabled: boolean;
    networks: SubscriptionNetworkConfig[];
    defaultTier?: number;
    defaultPeriod?: number;
    showReferrerInput?: boolean;
    bufferPercentage?: number;
}
/**
 * Helper to get network config by chain ID
 */
export declare function getNetworkConfig(config: SubscriptionConfig, chainId: number): SubscriptionNetworkConfig | undefined;
/**
 * Check if a chain supports subscriptions
 */
export declare function isSubscriptionSupported(config: SubscriptionConfig, chainId: number): boolean;