/**
 * Demerzel Snapshot Generator
 *
 * Creates optimized text snapshots of codebases for analysis.
 * Handles file filtering, exclusion patterns, and formatting.
 *
 * Ported from Argus to Foundation.
 */
/**
 * Snapshot generation mode.
 *
 * - `"full"` — all file bodies + metadata (default, byte-identical to pre-change behaviour)
 * - `"graph"` — import/export graph + symbol index only, no file body sections (~80% reduction)
 * - `"index"` — file tree + top-level exports only (~95% reduction)
 */
export type SnapshotMode = 'full' | 'graph' | 'index';
export interface SnapshotOptions {
    extensions?: string[];
    excludePatterns?: string[];
    maxFileSize?: number;
    includeHidden?: boolean;
    /** Snapshot generation mode (default: "full") */
    mode?: SnapshotMode;
}
export interface SnapshotResult {
    /** Canonical (uncompressed) path passed as outputPath. */
    outputPath: string;
    /** Actual on-disk path — always outputPath + ".zst". */
    diskPath: string;
    fileCount: number;
    totalLines: number;
    totalSize: number;
    files: string[];
    mode: SnapshotMode;
}
export declare const DEFAULT_EXTENSIONS: string[];
export declare const DEFAULT_EXCLUDE_PATTERNS: string[];
/**
 * Build the standard snapshot header lines, shared across all modes.
 */
export declare function buildSnapshotHeader(projectPath: string, fileCount: number, extensions: string[], mode: SnapshotMode): string[];
/**
 * Create a basic codebase snapshot.
 *
 * 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:
 * - `"full"` — includes all file bodies (default, preserves existing behaviour)
 * - `"graph"` / `"index"` — writes header + file tree only; `createEnhancedSnapshot`
 *   appends the relevant structural metadata on top of this base
 */
export declare function createSnapshot(projectPath: string, outputPath: string, options?: SnapshotOptions): Promise<SnapshotResult>;
/**
 * Return disk-level stats for an existing snapshot.
 * Accepts the canonical (uncompressed) path; transparently resolves to `.zst`.
 */
export declare function getSnapshotStats(snapshotPath: string): {
    fileCount: number;
    totalLines: number;
    totalSize: number;
};
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