import { ProviderManager } from '../providers/manager.js';
import type { ProgressReporter } from '../services/progress.js';
export declare function compareDucksTool(providerManager: ProviderManager, args: Record<string, unknown>, progress?: ProgressReporter): Promise<{
    content: {
        type: string;
        text: string;
    }[];
    structuredContent: {
        responses: {
            error?: string | undefined;
            provider: string;
            nickname: string;
            model: string;
            content: string;
            latency: number;
            tokens: {
                prompt: number;
                completion: number;
                total: number;
            } | null;
        }[];
    };
}>;
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