import { CulqiVersion, ResourceMap } from '../types/resource';
export interface CulqiOptions<V extends CulqiVersion = '2'> {
    publicKey: string;
    secretKey: string;
    apiVersion: V;
    baseUrl?: string;
    retries?: number;
    timeout?: number;
}
/** High-level Culqi client exposing versioned resources. */
export declare class CulqiClient<V extends CulqiVersion = '2'> {
    private readonly opts;
    readonly tokens: ResourceMap<V>['tokens'];
    readonly charges: ResourceMap<V>['charges'];
    readonly refunds: ResourceMap<V>['refunds'];
    readonly customers: ResourceMap<V>['customers'];
    readonly cards: ResourceMap<V>['cards'];
    readonly plans: ResourceMap<V>['plans'];
    readonly subscriptions: ResourceMap<V>['subscriptions'];
    readonly orders: ResourceMap<V>['orders'];
    readonly events: ResourceMap<V>['events'];
    readonly statements: ResourceMap<V>['statements'];
    private constructor();
    /** Fluent initializer with sensible defaults. */
    static init<V extends CulqiVersion>(opts: CulqiOptions<V>): CulqiClient<V>;
}
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