export declare type InstallOptions = {
    /**
     * Java Version. See https://api.adoptopenjdk.net/q/swagger-ui/#/Binary/getBinary to see
     * available versions besides the defined ones.
     * (defaults to 8)
     */
    feature_version?: 8 | 9 | 10 | 11 | 12 | number;
    /**
     * The Operating System (defaults to current).
     */
    os?: SupportedOs;
    /**
     * The Architecture (defaults to current).
     */
    arch?: SupportedArch;
    /**
     * Type of the downloaded binary (defaults to `jre`).
     */
    image_type?: ImageTypes;
    /**
     * OpenJDK Implementation (defaults to `hotspot`).
     */
    openjdk_impl?: JvmImplementation;
    /**
     * Type of the release. Release version (ga) or Early Access (ea) (defaults to `ga`).
     */
    release_type?: ReleaseTypes;
    /**
     * Heap Size (defaults to `normal`).
     */
    heap_size?: HeapSize;
    /**
     * Organisation that created the binary (defaults to `adoptopenjdk`).
     */
    vendor?: Vendors;
    /**
     * If set to true, the JRE won't be installed if java is already installed.
     * (defaults to false)
     */
    allow_system_java?: boolean;
    /**
     * The path where to install the JRE. (defaults to __dirname)
     */
    install_path?: string;
};
export declare const defaultOptions: InstallOptions;
export declare type SupportedOs = 'linux' | 'windows' | 'mac' | 'solaris' | 'aix' | 'alpine-linux';
declare const supportedArchitectures: readonly ["x64", "x86", "x32", "ppc64", "ppc64le", "s390x", "aarch64", "arm", "sparcv9", "riscv64"];
export declare type SupportedArch = typeof supportedArchitectures[number];
export declare const isSupportedArchitecture: (arch: string) => boolean;
export declare type ImageTypes = 'jre' | 'jdk' | 'testimage' | 'debugimage' | 'staticlibs' | 'sources';
export declare type JvmImplementation = 'hotspot' | 'openj9' | 'dragonwell';
export declare type ReleaseTypes = 'ga' | 'ea';
export declare type HeapSize = 'normal' | 'large';
export declare type Vendors = 'adoptopenjdk' | 'openjdk' | 'eclipse' | 'alibaba' | 'ibm';
export {};