import { ADS4GPTsTool } from './ADS4GPTsTool';
export declare class ADS4GPTsBannerTool extends ADS4GPTsTool {
    /**
     * Constructs an instance of the ADS4GPTsBannerTool.
     *
     * @param args - A record of key-value pairs, including an optional API key.
     * @param args.apiKey - Ads4GPTs API key. If not provided, it will attempt to retrieve it from the `ADS4GPTS_API_KEY` environment variable.
     *
     * @throws Error if the API key is missing or the banner tool configuration is not found.
     */
    constructor(args?: {
        apiKey?: string;
        rootUrl?: string;
    });
}
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