export interface IndexedFileEntry {
    size: number;
    mtime_ms: number;
    fingerprint: string;
}
export interface IndexSnapshot {
    version: 1;
    root: string;
    generated_at: string;
    discovery: {
        mode: "ast_grep_commands";
        command_pack: string;
        subagent: string;
        skill: string;
        fingerprint_store: string;
    };
    options: {
        depth: number;
        max_files: number;
        include_hidden: boolean;
        exclude: string[];
        file_entry_cap: number;
    };
    file_count: number;
    stored_file_count: number;
    directories: Record<string, number>;
    extensions: Record<string, number>;
    files: Record<string, IndexedFileEntry>;
}
export interface DeltaScanResult {
    index_path: string;
    fingerprint_path: string;
    snapshot: IndexSnapshot;
    changed: string[];
    unchanged: string[];
    deleted: string[];
    truncated: boolean;
    scanned_count: number;
}
export interface ScanWorkspaceDeltaInput {
    path?: string;
    depth?: number;
    max_files?: number;
    include_hidden?: boolean;
    exclude?: string[];
    file_entry_cap?: number;
    index_path?: string;
}
export declare function scanWorkspaceDelta(input?: ScanWorkspaceDeltaInput): DeltaScanResult;
export declare function getDefaultIndexPath(): string;
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