export interface ThinkStep {
    step: number;
    thought: string;
    reflection?: string;
    improvement?: string;
}
export interface ThinkResult {
    originalPrompt: string;
    steps: ThinkStep[];
    finalOutput: string;
    depth: number;
}
export declare class DeepThinkingEngine {
    private maxDepth;
    constructor(maxDepth?: number);
    think(prompt: string): Promise<ThinkResult>;
    private generateThought;
    private reflect;
    setDepth(depth: number): void;
}