import type { IRecursionService, IRecursionResult, IRecursionConfig, IMemoryService, ITaskService } from '../../domain';
/**
 * Service for searching memory when planning.
 *
 * When a user submits a prompt in plan mode, this service searches
 * memory for relevant context: previous decisions, learnings, and tasks.
 */
export declare class RecursionService implements IRecursionService {
    private readonly memory;
    private readonly tasks;
    private readonly config;
    constructor(memory: IMemoryService, tasks: ITaskService, config?: Partial<IRecursionConfig>);
    /**
     * Check if recursion should run for a given prompt.
     */
    shouldRun(prompt: string, permissionMode: string): boolean;
    /**
     * Run memory recursion for a plan mode prompt.
     */
    run(prompt: string): Promise<IRecursionResult>;
    /**
     * Extract meaningful topics from a prompt.
     */
    private extractTopics;
    /**
     * Search memory for facts of a specific type.
     */
    private searchByType;
    /**
     * Search for related tasks.
     */
    private searchTasks;
    /**
     * Format a memory fact for display.
     */
    private formatFact;
    /**
     * Format a task for display.
     */
    private formatTask;
    /**
     * Get a tag value by prefix.
     */
    private getTag;
    /**
     * Build formatted summary output.
     */
    private buildSummary;
}
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