import { Platform } from '@xmcl/core';
import { ChecksumValidatorOptions, DownloadBaseOptions, Validator } from '@xmcl/file-transfer';
import { Task } from '@xmcl/task';
import { Dispatcher } from 'undici';
import { ParallelTaskOptions } from './utils';
/**
 * Contain all java runtimes basic info
 */
export interface JavaRuntimes {
    linux: JavaRuntimeTargets;
    'linux-i386': JavaRuntimeTargets;
    'mac-os': JavaRuntimeTargets;
    'windows-x64': JavaRuntimeTargets;
    'windows-x86': JavaRuntimeTargets;
}
export interface JavaRuntimeTargets {
    'java-runtime-alpha': JavaRuntimeTarget[];
    'java-runtime-beta': JavaRuntimeTarget[];
    'jre-legacy': JavaRuntimeTarget[];
    'minecraft-java-exe': JavaRuntimeTarget[];
    [key: string]: JavaRuntimeTarget[];
}
export declare enum JavaRuntimeTargetType {
    /**
       * The legacy java version
       */
    Legacy = "jre-legacy",
    /**
       * The new java environment, which is the java 16
       */
    Alpha = "java-runtime-alpha",
    Beta = "java-runtime-beta",
    JavaExe = "minecraft-java-exe"
}
/**
 * Represent a java runtime
 */
export interface JavaRuntimeTarget {
    /**
       * Guessing this is the flight of this java runtime
       */
    availability: {
        group: number;
        progress: number;
    };
    /**
       * The manifest detail of the resource
       */
    manifest: DownloadInfo;
    /**
       * The basic version info of the manifest
       */
    version: {
        /**
             * The name of the version. e.g. `8u51`, `12`, `16.0.1.9.1`
             */
        name: string;
        /**
             * The date string (UTC)
             */
        released: string;
    };
}
export interface Entry {
    type: 'file' | 'link' | 'directory';
}
export interface LinkEntry extends Entry {
    type: 'link';
    /**
       * The link target
       */
    target: string;
}
export interface DirectoryEntry extends Entry {
    type: 'directory';
}
export interface DownloadInfo {
    /**
       * The sha info of the resource
       */
    sha1: string;
    /**
       * The size of the resource
       */
    size: number;
    /**
       * The url to download resource
       */
    url: string;
}
export interface FileEntry extends Entry {
    type: 'file';
    executable: boolean;
    downloads: {
        /**
             * The raw format of the file
             */
        raw: DownloadInfo;
        /**
             * The lzma format of the file
             */
        lzma?: DownloadInfo;
    };
}
export type AnyEntry = FileEntry | DirectoryEntry | LinkEntry;
/**
 * Contains info about every files in this java runtime
 */
export interface JavaRuntimeManifest {
    target: JavaRuntimeTargetType | string;
    /**
       * The files of the java runtime
       */
    files: Record<string, AnyEntry>;
    version: JavaRuntimeTarget['version'];
}
export declare const DEFAULT_RUNTIME_ALL_URL = "https://launchermeta.mojang.com/v1/products/java-runtime/2ec0cc96c44e5a76b9c8b7c39df7210883d12871/all.json";
export interface FetchJavaRuntimeManifestOptions extends DownloadBaseOptions {
    /**
       * The alternative download host for the file
       */
    apiHost?: string | string[];
    /**
       * The url of the all runtime json
       */
    url?: string;
    /**
       * The platform to install. It will be auto-resolved by default.
       * @default getPlatform()
       */
    platform?: Platform;
    /**
       * The install java runtime type
       * @default InstallJavaRuntimeTarget.Next
       */
    target?: JavaRuntimeTargetType | string;
    /**
       * The index manifest of the java runtime. If this is not presented, it will fetch by platform and all platform url.
       */
    manifestIndex?: JavaRuntimes;
    /**
       * The dispatcher to request API
       */
    dispatcher?: Dispatcher;
}
/**
 * Fetch java runtime manifest. It should be able to resolve to your platform, or you can assign the platform.
 *
 * Also, you should assign the target to download, or it will use the latest java 16.
 * @param options The options of fetch runtime manifest
 */
export declare function fetchJavaRuntimeManifest(options?: FetchJavaRuntimeManifestOptions): Promise<JavaRuntimeManifest>;
export interface InstallJavaRuntimeOptions extends DownloadBaseOptions, ParallelTaskOptions {
    /**
       * The alternative download host for the file
       */
    apiHost?: string | string[];
    /**
       * The destination of this installation
       */
    destination: string;
    /**
       * The actual manfiest to install.
       */
    manifest: JavaRuntimeManifest;
    /**
       * Download lzma compressed version instead of raw version.
       * - If `true`, it will just download lzma file version, you need to decompress by youself!
       * - If `Function`, it will use that function to decompress the file!
       */
    lzma?: boolean | ((compressedFilePath: string, targetPath: string) => Promise<void>);
    checksumValidatorResolver?: (checksum: ChecksumValidatorOptions) => Validator;
}
/**
 * Install java runtime from java runtime manifest
 * @param options The options to install java runtime
 */
export declare function installJavaRuntimeTask(options: InstallJavaRuntimeOptions): Task<void>;
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