/**
 * Project Mind MCP - Research Operations Tools
 *
 * Progressive research with history and streaming support.
 */
import type { Tool } from '@modelcontextprotocol/sdk/types.js';
import type { ProjectDatabase } from '../storage/database.js';
export declare const researchTools: Tool[];
export declare function createResearchHandlers(db: ProjectDatabase): {
    research_progressive: (input: {
        project: string;
        query: string;
        sections: Array<{
            title: string;
            content: string;
            sources?: string[];
        }>;
        keyFindings?: string[];
        sources?: Array<{
            url: string;
            title: string;
            relevance?: string;
        }>;
        crossReferences?: Array<{
            type: "pattern" | "research" | "epic" | "file";
            id: string;
            relevance?: string;
        }>;
    }) => Promise<{
        success: boolean;
        error: {
            code: string;
            message: string;
        };
        data?: undefined;
    } | {
        success: boolean;
        data: {
            researchId: string;
            query: string;
            sectionsCount: number;
            keyFindings: number;
            sourcesCount: number;
            savedAt: string;
            message: string;
        };
        error?: undefined;
    }>;
    search_research: (input: {
        project: string;
        query?: string;
        limit?: number;
    }) => Promise<{
        success: boolean;
        error: {
            code: string;
            message: string;
        };
        data?: undefined;
    } | {
        success: boolean;
        data: {
            project: string;
            query: string;
            count: number;
            results: {
                id: string;
                query: string;
                sectionsCount: number;
                keyFindings: string[] | undefined;
                sourcesCount: number;
                createdAt: string;
            }[];
        };
        error?: undefined;
    }>;
};
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