import * as bc from "batch-cluster";
import { BinaryExtractionTaskOptions } from "./BinaryExtractionTask";
import { ExifToolOptions } from "./ExifToolOptions";
import { ExifToolTask, ExifToolTaskOptions } from "./ExifToolTask";
import { PreviewTag } from "./PreviewTag";
import { ReadRawTaskOptions } from "./ReadRawTask";
import { ReadTaskOptions } from "./ReadTask";
import { Tags } from "./Tags";
import { WriteTags } from "./WriteTags";
import { WriteTaskOptions, WriteTaskResult } from "./WriteTask";
export { retryOnReject } from "./AsyncRetry";
export { BinaryField } from "./BinaryField";
export { CapturedAtTagNames } from "./CapturedAtTagNames";
export { DefaultExifToolOptions } from "./DefaultExifToolOptions";
export { DefaultExiftoolArgs } from "./DefaultExiftoolArgs";
export { DefaultMaxProcs } from "./DefaultMaxProcs";
export { ExifDate } from "./ExifDate";
export type { ExifDateFull, ExifDatePartial, ExifDateYearMonth, ExifDateYearOnly, } from "./ExifDate";
export { ExifDateTime } from "./ExifDateTime";
export { ExifTime } from "./ExifTime";
export { ExifToolTask } from "./ExifToolTask";
export { exiftoolPath } from "./ExiftoolPath";
export { GeolocationTagNames, isGeolocationTag } from "./GeolocationTags";
export { parseJSON } from "./JSON";
export type { Lazy } from "./Lazy";
export { DefaultReadRawTaskOptions } from "./ReadRawTask";
export { DefaultReadTaskOptions } from "./ReadTask";
export { Setting, Settings } from "./Settings";
export { strEnum } from "./StrEnum";
export type { StrEnum, StrEnumHelpers, StrEnumKeys, StrEnumType, } from "./StrEnum";
export { TagDescriptions } from "./TagDescriptions";
export { ArchaicTimezoneOffsets, defaultVideosToUTC, equivalentZones, extractTzOffsetFromTags, extractTzOffsetFromUTCOffset, extractZone, inferLikelyOffsetMinutes, isUTC, isZone, isZoneUnset, isZoneValid, normalizeZone, offsetMinutesToZoneName, parseTimezoneOffsetMatch, parseTimezoneOffsetToMinutes, TimezoneOffsetRE, TimezoneOffsetTagnames, UnsetZone, UnsetZoneName, UnsetZoneOffsetMinutes, ValidTimezoneOffsets, validTzOffsetMinutes, zoneToShortOffset, } from "./Timezones";
export type { TimezoneOffset, TimezoneOffsetMatch, TzSrc } from "./Timezones";
export { DefaultWriteTaskOptions, WriteTaskOptionFields } from "./WriteTask";
export type { BinaryExtractionTaskOptions } from "./BinaryExtractionTask";
export type { ContainerDirectoryItem } from "./ContainerDirectoryItem";
export type { Defined, DefinedOrNullValued } from "./Defined";
export type { ErrorsAndWarnings } from "./ErrorsAndWarnings";
export type { ExifToolOptions } from "./ExifToolOptions";
export type { ExifToolTaskOptions } from "./ExifToolTask";
export type { ExifToolVendoredTags } from "./ExifToolVendoredTags";
export type { GeolocationTags } from "./GeolocationTags";
export type { ICCProfileTags } from "./ICCProfileTags";
export type { IPTCApplicationRecordTags as ApplicationRecordTags, IPTCApplicationRecordTags, } from "./IPTCApplicationRecordTags";
export type { ImageDataHashTag } from "./ImageDataHashTag";
export type { Json, Literal } from "./JSON";
export type { CollectionInfo, KeywordInfoStruct, KeywordStruct, MWGCollectionsTags, MWGKeywordTags, } from "./MWGTags";
export type { Maybe, Nullable } from "./Maybe";
export type { Omit } from "./Omit";
export type { RawTags } from "./RawTags";
export type { ReadRawTaskOptions } from "./ReadRawTask";
export type { ReadTaskOptions } from "./ReadTask";
export type { ResourceEvent } from "./ResourceEvent";
export type { UnsubscribeFunction } from "./Settings";
export type { ShortcutTags } from "./ShortcutTags";
export type { Struct } from "./Struct";
export type { TagDescription, TagDescriptionsOptions } from "./TagDescriptions";
export type { APPTags, CompositeTags, EXIFTags, ExifToolTags, FileTags, FlashPixTags, IPTCTags, JFIFTags, MakerNotesTags, MetaTags, MPFTags, PanasonicRawTags, PhotoshopTags, PrintIMTags, QuickTimeTags, RAFTags, RIFFTags, Tags, XMPTags, } from "./Tags";
export type { Version } from "./Version";
export type { AdditionalWriteTags, EXIFStrictDateTags, ExpandedDateTags, GroupPrefixedTags, MutableTags, StructAppendTags, WritableGPSRefs, WriteTags, XMPPartialDateTags, } from "./WriteTags";
export type { WriteTaskOptions, WriteTaskResult } from "./WriteTask";
/**
 * Manages delegating calls to a cluster of ExifTool child processes.
 *
 * **NOTE: Instances are expensive!**
 *
 * * use either the default exported singleton instance of this class,
 *   {@link exiftool}, or your own singleton
 *
 * * make sure you await {@link ExifTool.end} when you're done with an instance
 *   to clean up subprocesses
 *
 * * review the {@link ExifToolOptions} for configuration options--the default
 *   values are conservative to avoid overwhelming your system.
 *
 * @see https://photostructure.github.io/exiftool-vendored.js/ for more documentation.
 */
export declare class ExifTool {
    #private;
    readonly options: ExifToolOptions;
    readonly batchCluster: bc.BatchCluster;
    constructor(options?: Partial<ExifToolOptions>);
    readonly exiftoolPath: import("./Lazy").Lazy<Promise<string>>;
    /**
     * Register life cycle event listeners. Delegates to BatchCluster.
     */
    readonly on: bc.BatchCluster["on"];
    /**
     * Unregister life cycle event listeners. Delegates to BatchCluster.
     */
    readonly off: bc.BatchCluster["off"];
    /**
     * @return a promise holding the version number of the vendored ExifTool
     */
    version(): Promise<string>;
    /**
     * Read the tags in `file`.
     *
     * @param file the file to extract metadata tags from
     *
     * @param options overrides to the default ExifTool options provided to the
     * ExifTool constructor.
     *
     * @returns A resolved Tags promise. If there are errors during reading, the
     * `.errors` field will be present.
     */
    read<T extends Tags = Tags>(file: string, options?: ReadTaskOptions): Promise<T>;
    /**
     * Read the tags in `file`.
     *
     * @param file the file to extract metadata tags from
     *
     * @param readArgs any additional ExifTool arguments, like `["-fast"]`,
     * `["-fast2"]`, `["-g"]`, or `["-api", "largefilesupport=1"]`. Note that
     * providing a value here will override the `readArgs` array provided to the
     * ExifTool constructor. **Note that most other arguments will require you to
     * use `readRaw`.** Note that the default is `["-fast"]`, so if you want
     * ExifTool to read the entire file for metadata, you should pass an empty
     * array as the second parameter. See https://exiftool.org/#performance for
     * more information about `-fast` and `-fast2`.
     *
     * @param options overrides to the default ExifTool options provided to the
     * ExifTool constructor.
     *
     * @returns A resolved Tags promise. If there are errors during reading, the
     * `.errors` field will be present.
     *
     * @deprecated use
     * {@link ExifTool.read(file: string, options?: ReadTaskOptions)} instead
     * (move `readArgs` into your `options` hash)
     */
    read<T extends Tags = Tags>(file: string, readArgs?: string[], options?: ReadTaskOptions): Promise<T>;
    /**
     * Read the tags in `file`.
     *
     * **You probably want `read`, not this method. READ THE REST OF THIS COMMENT
     * CAREFULLY.**
     *
     * If you want to extract specific tag values from a file, you may want to use
     * this, but all data validation and inference heuristics provided by `read`
     * will be skipped.
     *
     * Note that performance will be very similar to `read`, and will actually be
     * worse if you don't include `-fast` or `-fast2` (as the most expensive bits
     * are the perl interpreter and scanning the file on disk).
     *
     * @param options any additional arguments other than the file path. Note that
     * "-json", and the Windows unicode filename handler flags, "-charset
     * filename=utf8", will be added automatically.
     *
     * @return Note that the return value will be similar to `Tags`, but with no
     * date, time, or other rich type parsing that you get from `.read()`. The
     * field values will be `string | number | string[]`.
     *
     * @see ExifTool.read() for the preferred method to read tags
     *
     * @see https://github.com/photostructure/exiftool-vendored.js/issues/44 for
     * typing details.
     */
    readRaw<T extends Tags = Tags>(file: string, options?: ReadRawTaskOptions): Promise<T>;
    /**
     * @deprecated use {@link ExifTool.readRaw(file: string, options?: ReadRawTaskOptions)}
     */
    readRaw<T extends Tags = Tags>(file: string, readArgs?: string[], options?: ReadRawTaskOptions): Promise<T>;
    /**
     * Write the given `tags` to `file`.
     *
     * @param file an existing file to write `tags` to
     *
     * @param tags the tags to write to `file`.
     *
     * **IMPORTANT:** Partial dates (year-only or year-month) are only supported
     * for XMP tags. Use group-prefixed tag names like `"XMP:CreateDate"` for
     * partial date support. EXIF tags require complete dates.
     *
     * @param options overrides to the default ExifTool options provided to the
     * ExifTool constructor.
     *
     * @return Either the promise will be resolved if the tags are written to
     * successfully, or the promise will be rejected if there are errors or
     * warnings.
     *
     * @see https://exiftool.org/exiftool_pod.html#overwrite_original
     */
    write(file: string, tags: WriteTags, options?: WriteTaskOptions): Promise<WriteTaskResult>;
    /**
     * @param file an existing file to write `tags` to
     *
     * @param tags the tags to write to `file`.
     *
     * @param writeArgs any additional ExifTool arguments, like `-n`, or
     * `-overwrite_original`.
     *
     * @param options overrides to the default ExifTool options provided to the
     * ExifTool constructor.
     *
     * @returns Either the promise will be resolved if the tags are written to
     * successfully, or the promise will be rejected if there are errors or
     * warnings.
     *
     * @see https://exiftool.org/exiftool_pod.html#overwrite_original
     *
     * @deprecated use
     * {@link ExifTool.write(file: string, tags: WriteTags, options?: WriteTaskOptions)}
     * instead: move `writeArgs` into your `options` hash.
     */
    write(file: string, tags: WriteTags, writeArgs?: string[], options?: WriteTaskOptions): Promise<WriteTaskResult>;
    /**
     * This will strip `file` of all metadata tags. The original file (with the
     * name `${FILENAME}_original`) will be retained. Note that some tags, like
     * stat information and image dimensions, are intrinsic to the file and will
     * continue to exist if you re-`read` the file.
     *
     * @param {string} file the file to strip of metadata
     *
     * @param {(keyof Tags | string)[]} opts.retain optional. If provided, this is
     * a list of metadata keys to **not** delete.
     */
    deleteAllTags(file: string, opts?: {
        retain?: (keyof Tags | string)[];
    } & Partial<ExifToolTaskOptions>): Promise<WriteTaskResult>;
    /**
     * Extract the low-resolution thumbnail in `path/to/image.jpg` and write it to
     * `path/to/thumbnail.jpg`.
     *
     * Note that these images can be less than .1 megapixels in size.
     *
     * @return a `Promise<void>`
     *
     * @throws if the file could not be read or the output not written
     */
    extractThumbnail(imageFile: string, thumbnailFile: string, opts?: BinaryExtractionTaskOptions): Promise<void>;
    /**
     * Extract the "preview" image in `path/to/image.jpg` and write it to
     * `path/to/preview.jpg`.
     *
     * The size of these images varies widely, and is present in dSLR images.
     * Canon, Fuji, Olympus, and Sony use this tag.
     *
     * @return a `Promise<void>`
     *
     * @throws if the file could not be read or the output not written
     */
    extractPreview(imageFile: string, previewFile: string, opts?: BinaryExtractionTaskOptions): Promise<void>;
    /**
     * Extract the "JpgFromRaw" image in `path/to/image.jpg` and write it to
     * `path/to/fromRaw.jpg`.
     *
     * This size of these images varies widely, and is not present in all RAW
     * images. Nikon and Panasonic use this tag.
     *
     * @return a `Promise<void>`
     *
     * @throws if the file could not be read or the output not written.
     */
    extractJpgFromRaw(imageFile: string, outputFile: string, opts?: BinaryExtractionTaskOptions): Promise<void>;
    /**
     * Extract a given binary value from "tagname" tag associated to
     * `path/to/image.jpg` and write it to `dest` (which cannot exist and whose
     * directory must already exist).
     *
     * @return a `Promise<void>`
     *
     * @throws if the binary output cannot be written to `dest`.
     */
    extractBinaryTag(tagname: string, src: string, dest: string, opts?: BinaryExtractionTaskOptions): Promise<void>;
    /**
     * Extract a given binary value from "tagname" tag associated to
     * `path/to/image.jpg` as a `Buffer`. This has the advantage of not writing to
     * a file, but if the payload associated to `tagname` is large, this can cause
     * out-of-memory errors.
     *
     * @return a `Promise<Buffer>`
     *
     * @throws if the file or tag is missing.
     */
    extractBinaryTagToBuffer(tagname: PreviewTag, imageFile: string, opts?: ExifToolTaskOptions): Promise<Buffer>;
    /**
     * Attempt to fix metadata problems in JPEG images by deleting all metadata
     * and rebuilding from scratch. After repairing an image you should be able to
     * write to it without errors, but some metadata from the original image may
     * be lost in the process.
     *
     * This should only be applied as a last resort to images whose metadata is
     * not readable via {@link ExifTool.read}.
     *
     * @see https://exiftool.org/faq.html#Q20
     *
     * @param {string} inputFile the path to the problematic image
     * @param {string} outputFile the path to write the repaired image
     * @param {boolean} opts.allowMakerNoteRepair if there are problems with MakerNote
     * tags, allow ExifTool to apply heuristics to recover corrupt tags. See
     * exiftool's `-F` flag.
     * @return {Promise<void>} resolved after the outputFile has been written.
     */
    rewriteAllTags(inputFile: string, outputFile: string, opts?: {
        allowMakerNoteRepair?: boolean;
    } & ExifToolTaskOptions): Promise<void>;
    /**
     * Shut down running ExifTool child processes. No subsequent requests will be
     * accepted.
     *
     * This may need to be called in `after` or `finally` clauses in tests or
     * scripts for them to exit cleanly.
     */
    end(gracefully?: boolean): Promise<void>;
    /**
     * @return true if `.end()` has been invoked
     */
    get ended(): boolean;
    /**
     * Most users will not need to use `enqueueTask` directly. This method
     * supports submitting custom `BatchCluster` tasks.
     *
     * @param task a thunk to support retries by providing new instances on retries
     * @param retriable whether to retry the task on failure (default: true)
     * @returns a Promise resolving to the task result
     *
     * @see BinaryExtractionTask for an example task implementation
     */
    enqueueTask<T>(task: () => ExifToolTask<T>, retriable?: boolean): Promise<T>;
    /**
     * @return the currently running ExifTool processes. Note that on Windows,
     * these are only the process IDs of the directly-spawned ExifTool wrapper,
     * and not the actual perl vm. This should only really be relevant for
     * integration tests that verify processes are cleaned up properly.
     */
    get pids(): number[];
    /**
     * @return the number of pending (not currently worked on) tasks
     */
    get pendingTasks(): number;
    /**
     * @return the total number of child processes created by this instance
     */
    get spawnedProcs(): number;
    /**
     * @return the current number of child processes currently servicing tasks
     */
    get busyProcs(): number;
    /**
     * @return report why child processes were recycled
     */
    childEndCounts(): Record<NonNullable<bc.ChildEndReason>, number>;
    /**
     * Shut down any currently-running child processes. New child processes will
     * be started automatically to handle new tasks.
     */
    closeChildProcesses(gracefully?: boolean): Promise<void>;
    /**
     * Implements the Disposable interface for automatic cleanup with the `using` keyword.
     * This allows ExifTool instances to be automatically cleaned up when they go out of scope.
     *
     * Note: This is a synchronous disposal method that initiates graceful cleanup but doesn't
     * wait for completion. If graceful cleanup times out, forceful cleanup is attempted.
     * For guaranteed cleanup completion, use `await using` with the async disposal method instead.
     *
     * @example
     * ```typescript
     * {
     *   using et = new ExifTool();
     *   const tags = await et.read("photo.jpg");
     *   // ExifTool cleanup will be initiated when this block exits
     * }
     * ```
     */
    [Symbol.dispose](): void;
    /**
     * Implements the AsyncDisposable interface for automatic async cleanup with the `await using` keyword.
     * This allows ExifTool instances to be automatically cleaned up when they go out of scope.
     *
     * This method provides robust cleanup with timeout protection to prevent hanging.
     * If graceful cleanup times out, forceful cleanup is attempted automatically.
     *
     * @example
     * ```typescript
     * {
     *   await using et = new ExifTool();
     *   const tags = await et.read("photo.jpg");
     *   // ExifTool will be automatically ended when this block exits
     * }
     * ```
     */
    [Symbol.asyncDispose](): Promise<void>;
}
/**
 * This is a convenience singleton.
 *
 * As of v3.0, its {@link ExifToolOptions.maxProcs} is set to 1/4 the number of
 * CPUs on the current system; no more than `maxProcs` instances of `exiftool`
 * will be spawned. You may want to experiment with smaller or larger values for
 * `maxProcs`, depending on CPU and disk speed of your system and performance
 * tradeoffs.
 *
 * Note that each child process consumes between 10 and 50 MB of RAM. If you
 * have limited system resources you may want to use a smaller `maxProcs` value.
 *
 * See the source of {@link DefaultExifToolOptions} for more details about how
 * this instance is configured.
 */
export declare const exiftool: ExifTool;