/**
 * Demerzel Enhanced Snapshot
 *
 * Extends basic snapshots with structural metadata:
 * - Import graph (who imports whom)
 * - Export index (symbols -> files)
 * - Function/class signatures
 * - File dependency tree
 * - Complexity scores
 * - Test file mapping
 * - Recent git changes
 *
 * This enables understanding architecture without reading individual files.
 *
 * Ported from Argus to Foundation.
 */
import { SnapshotOptions, SnapshotResult } from './snapshot.js';
export interface ImportInfo {
    source: string;
    target: string;
    resolved?: string;
    symbols: string[];
    isDefault: boolean;
    isType: boolean;
}
export interface ExportInfo {
    file: string;
    symbol: string;
    type: 'function' | 'class' | 'const' | 'let' | 'var' | 'type' | 'interface' | 'enum' | 'default' | 'unknown';
    signature?: string;
    line: number;
}
export interface FileMetadata {
    path: string;
    imports: ImportInfo[];
    exports: ExportInfo[];
    size: number;
    lines: number;
}
export interface ComplexityInfo {
    file: string;
    score: number;
    level: 'low' | 'medium' | 'high';
}
export interface RecentChangeInfo {
    file: string;
    commits: number;
    authors: number;
}
export interface EnhancedSnapshotResult extends SnapshotResult {
    metadata: {
        imports: ImportInfo[];
        exports: ExportInfo[];
        fileIndex: Record<string, FileMetadata>;
        importGraph: Record<string, string[]>;
        exportGraph: Record<string, string[]>;
        symbolIndex: Record<string, string[]>;
        complexityScores: ComplexityInfo[];
        testFileMap: Record<string, string[]>;
        recentChanges: RecentChangeInfo[] | null;
    };
}
/**
 * Create an enhanced snapshot with structural metadata.
 *
 * Writes a compressed `.zst` file to disk. The `outputPath` parameter is the
 * canonical (uncompressed) path; the actual on-disk file is `outputPath + ".zst"`.
 *
 * Mode behaviour (controlled via `options.mode`):
 * - `"full"` — all file bodies + all metadata sections (default)
 * - `"graph"` — file tree + import/export graph + symbol index (~80% smaller)
 * - `"index"` — file tree + top-level exports only (~95% smaller)
 */
export declare function createEnhancedSnapshot(projectPath: string, outputPath: string, options?: SnapshotOptions): Promise<EnhancedSnapshotResult>;
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