import { AmplitudeCore, NodeClient, NodeConfig, NodeOptions } from '@amplitude/analytics-core';
export declare class AmplitudeNode extends AmplitudeCore {
    config: NodeConfig;
    init(apiKey?: string, options?: NodeOptions): import("@amplitude/analytics-core").AmplitudeReturn<void>;
    protected _init(options: NodeOptions & {
        apiKey: string;
    }): Promise<void>;
}
export declare const createInstance: () => NodeClient;
declare const _default: NodeClient;
export default _default;
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