/**
 * Shared ZIP entry metadata used by unzip parsers and higher-level extract APIs.
 *
 * This is intentionally platform-agnostic and does not depend on Node.js streams.
 */
import type { AesKeyStrength } from "../crypto/aes.js";
/**
 * Encryption method used for a ZIP entry.
 */
export type ZipEntryEncryptionMethod = "none" | "zipcrypto" | "aes";
/**
 * ZIP entry type.
 */
export type ZipEntryType = "file" | "directory" | "symlink";
/**
 * Check if entry type is a symbolic link.
 */
export declare function isSymlink(type: ZipEntryType): boolean;
export interface ZipEntryInfo {
    /** File path within the ZIP */
    path: string;
    /** Entry type: file, directory, or symlink */
    type: ZipEntryType;
    /**
     * Symlink target path (only set when type is 'symlink').
     * Note: This is populated after extraction - the data content of a symlink entry is the target path.
     */
    linkTarget?: string;
    /** Compressed size */
    compressedSize: number;
    /** ZIP64 exact compressed size (when present in the ZIP64 extra field). */
    compressedSize64?: bigint;
    /** Uncompressed size */
    uncompressedSize: number;
    /** ZIP64 exact uncompressed size (when present in the ZIP64 extra field). */
    uncompressedSize64?: bigint;
    /** Compression method (0 = stored, 8 = deflate, 99 = AES-encrypted) */
    compressionMethod: number;
    /** CRC-32 checksum */
    crc32: number;
    /** Last modified date */
    lastModified: Date;
    /** Offset to local file header */
    localHeaderOffset: number;
    /** ZIP64 exact local header offset (when present in the ZIP64 extra field). */
    localHeaderOffset64?: bigint;
    /** File comment */
    comment: string;
    /** External file attributes */
    externalAttributes: number;
    /**
     * Unix file mode/permissions extracted from externalAttributes.
     * This is the high 16 bits of externalAttributes when created on Unix.
     * Value is 0 if no Unix mode information is available.
     */
    mode: number;
    /** Central directory "version made by" field (when available). */
    versionMadeBy?: number;
    /** Raw central directory extra field (when available). */
    extraField?: Uint8Array;
    /** Is encrypted */
    isEncrypted: boolean;
    /** Encryption method (none, zipcrypto, or aes) */
    encryptionMethod?: ZipEntryEncryptionMethod;
    /** For AES: the AE version (1 or 2) */
    aesVersion?: 1 | 2;
    /** For AES: the key strength (128, 192, or 256) */
    aesKeyStrength?: AesKeyStrength;
    /** For AES: the original compression method before encryption */
    originalCompressionMethod?: number;
    /** DOS time field (used for ZipCrypto verification fallback) */
    dosTime?: number;
}