/**
 * Configuration interface for the ReferralModule.
 * All options are optional and have sensible defaults.
 */
export interface ReferralModuleConfig {
    /**
     * Whether the referral feature is enabled.
     * When false, all endpoints return 404 and hooks are no-ops.
     * @default false
     */
    enabled?: boolean;
    /**
     * Number of tokens awarded to both referrer and referred on completion.
     * @default 1000
     */
    rewardTokens?: number;
    /**
     * Cooldown period for referral invite emails in seconds.
     * Prevents spam by limiting how often invites can be sent to the same email.
     * @default 1209600 (14 days)
     */
    inviteCooldownSeconds?: number;
}
/**
 * Async options for ReferralModule.forRootAsync()
 */
export interface ReferralModuleAsyncOptions {
    imports?: any[];
    useFactory: (...args: any[]) => Promise<ReferralModuleConfig> | ReferralModuleConfig;
    inject?: any[];
}
/**
 * Injection token for referral configuration
 */
export declare const REFERRAL_CONFIG: unique symbol;
/**
 * Default configuration values
 */
export declare const DEFAULT_REFERRAL_CONFIG: Required<ReferralModuleConfig>;
//# sourceMappingURL=referral.config.interface.d.ts.map