import { DataUrl, Manifest, MerkleArchiveCommitment, PackageId } from '../osBindings';
import { MerkleArchive } from './merkleArchive';
/**
 * Compares two `Uint8Array` instances byte-by-byte for equality.
 *
 * @returns `true` if both arrays have the same length and identical bytes
 */
export declare function compare(a: Uint8Array, b: Uint8Array): boolean;
/**
 * Represents a parsed `.s9pk` package archive — the binary distribution format for StartOS services.
 *
 * An `S9pk` wraps a verified {@link Manifest}, a {@link MerkleArchive} containing the package's
 * assets (icon, license, dependency metadata), and the total archive size in bytes.
 *
 * @example
 * ```ts
 * const s9pk = await S9pk.deserialize(file, null)
 * console.log(s9pk.manifest.id)    // e.g. "bitcoind"
 * console.log(s9pk.size)           // archive size in bytes
 * const icon = await s9pk.icon()   // base64 data URL
 * const license = await s9pk.license()
 * ```
 */
export declare class S9pk {
    /** The parsed package manifest containing metadata, dependencies, and interface definitions. */
    readonly manifest: Manifest;
    /** The Merkle-verified archive containing the package's files. */
    readonly archive: MerkleArchive;
    /** The total size of the archive in bytes. */
    readonly size: number;
    private constructor();
    /**
     * Deserializes an `S9pk` from a `Blob` (e.g. a `File` from a browser file input).
     *
     * Validates the magic bytes and version header, then parses the Merkle archive structure.
     * If a `commitment` is provided, the archive is cryptographically verified against it.
     *
     * @param source - The raw `.s9pk` file as a `Blob`
     * @param commitment - An optional Merkle commitment to verify the archive against, or `null` to skip verification
     * @returns A fully parsed `S9pk` instance
     * @throws If the magic bytes are invalid or the archive fails verification
     */
    static deserialize(source: Blob, commitment: MerkleArchiveCommitment | null): Promise<S9pk>;
    /**
     * Extracts the package icon from the archive and returns it as a base64-encoded data URL.
     *
     * Looks for a file named `icon.*` with an image MIME type (e.g. `icon.png`, `icon.svg`).
     *
     * @returns A data URL string like `"data:image/png;base64,..."` suitable for use in `<img src>`.
     * @throws If no icon file is found in the archive
     */
    icon(): Promise<DataUrl>;
    /**
     * Returns the metadata (e.g. `{ title }`) for a specific dependency by its package ID.
     *
     * @param id - The dependency's package identifier (e.g. `"bitcoind"`)
     * @returns The dependency metadata object, or `null` if the dependency is not present in the archive
     */
    dependencyMetadataFor(id: PackageId): Promise<{
        title: string;
    } | null>;
    /**
     * Returns the icon for a specific dependency as a base64 data URL.
     *
     * @param id - The dependency's package identifier
     * @returns A data URL string, or `null` if the dependency or its icon is not present
     */
    dependencyIconFor(id: PackageId): Promise<string | null>;
    /**
     * Returns a merged record of all dependency metadata (title, icon, description, optional flag)
     * for every dependency declared in the manifest.
     *
     * @returns A record keyed by package ID, each containing `{ title, icon, description, optional }`
     */
    dependencyMetadata(): Promise<any>;
    /**
     * Reads and returns the `LICENSE.md` file from the archive as a UTF-8 string.
     *
     * @returns The full license text
     * @throws If `LICENSE.md` is not found in the archive
     */
    license(): Promise<string>;
}