import { ChiselPackage } from "../../analyzer/types";
import { ExtractAction, ExtractedLayers } from "../../extractor/types";
/**
 * Extract action for Ubuntu Chisel manifest files.
 *
 * Chisel is Ubuntu's tool for creating minimal container images by installing
 * only specific "slices" of Debian packages. The manifest.wall file is a
 * zstd-compressed NDJSON (newline-delimited JSON) file that records all
 * installed packages, slices, and files for integrity verification and SBOM generation.
 *
 * See: https://documentation.ubuntu.com/chisel/en/latest/reference/manifest/
 */
export declare const getChiselManifestAction: ExtractAction;
/**
 * Extracts and parses Chisel package information from Docker image layers.
 *
 * Searches for the Chisel manifest file (/var/lib/chisel/manifest.wall), decompresses it,
 * and extracts package entries. The manifest uses NDJSON format where each line is a
 * separate JSON object with a "kind" field indicating the entry type.
 *
 * @param extractedLayers - Layers extracted from the Docker image
 * @returns Array of Chisel packages found in the manifest, or empty array if not found
 */
export declare function getChiselManifestContent(extractedLayers: ExtractedLayers): ChiselPackage[];