import * as Store from '../../../internal/Store.js';
/** Address-screening result. */
export type Result = {
    allowed: boolean;
};
/** Address-screening provider. */
export type Provider = {
    /** Screens one normalized account address on a Tempo chain. */
    screen(options: {
        address: string;
        chainId: number;
    }): Promise<Result>;
};
/** Allows every address while the external screening provider is unconfigured. */
export declare const allowAll: Provider;
/** Screens one address, caching the provider result by chain and normalized address. */
export declare function screen(options: screen.Options): Promise<Result>;
export declare namespace screen {
    /** Dependencies used to screen an address. */
    type Options = {
        /** Normalized account address. */
        address: string;
        /** Tempo chain identifier. */
        chainId: number;
        /** Address-screening provider. */
        provider: Provider;
        /** Cache used for provider results. */
        store: Store.Store;
        /** Cache duration. @default `Ttl.days(1)` */
        ttl?: number | undefined;
    };
}
/** Default address-screening cache lifetime (24 hours). */
export declare const defaultTtl: number;
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