/**
 * Global Index for Cross-Project Search (Single DB)
 *
 * Stores project registry inside the main database.
 */
import { SQLiteManager } from "./SQLiteManager.js";
export interface ProjectMetadata {
    id: number;
    project_id: number;
    project_path: string;
    source_type: "claude-code" | "codex";
    source_root: string | null;
    last_indexed: number;
    message_count: number;
    conversation_count: number;
    decision_count: number;
    mistake_count: number;
    metadata: Record<string, unknown>;
    created_at: number;
    updated_at: number;
}
export interface RegisterProjectOptions {
    project_path: string;
    source_type: "claude-code" | "codex";
    source_root?: string;
    message_count?: number;
    conversation_count?: number;
    decision_count?: number;
    mistake_count?: number;
    metadata?: Record<string, unknown>;
}
export declare class GlobalIndex {
    private sqliteManager;
    private db;
    private ownsManager;
    constructor(sqliteManager?: SQLiteManager);
    private resolveProjectId;
    registerProject(options: RegisterProjectOptions): ProjectMetadata;
    getAllProjects(sourceType?: "claude-code" | "codex"): ProjectMetadata[];
    getProject(projectPath: string, sourceType?: "claude-code" | "codex"): ProjectMetadata | null;
    removeProject(projectPath: string, sourceType?: "claude-code" | "codex"): boolean;
    getGlobalStats(): {
        total_projects: number;
        claude_code_projects: number;
        codex_projects: number;
        total_messages: number;
        total_conversations: number;
        total_decisions: number;
        total_mistakes: number;
    };
    close(): void;
    getDbPath(): string;
}
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