import { ChromeGpuModes } from "./types";
/**
 * Global installation and setup preferences for IronPDF
 *
 * See {@link IronPdfGlobalConfig.setConfig}
 */
export declare class IronPdfGlobalConfig {
    private static _instance;
    private static _config;
    private constructor();
    static getInstance(): IronPdfGlobalConfig;
    /**
     * Main IronPdf configuration method
     *
     * @param ironPdfConfig configuration see {@link IronPdfConfig}
     */
    static setConfig(ironPdfConfig: IronPdfConfig): void;
    static getConfig(): IronPdfConfig;
    static ironPdfEngineVersion: string;
}
/**
 * Main IronPdf configuration interface
 */
export interface IronPdfConfig {
    /**
     * An address of IronPdf subprocess.
     * @default 127.0.0.1:33350
     */
    ironPdfEngineAddress?: string | undefined;
    /**
     * An address of IronPdfEngine Docker.
     *
     * If this config was specified IronPdf will switch to Docker mode
     *
     * Docker mode: IronPdf will not spawn subprocess but will connect to Docker instead.
     *
     * @default undefined
     */
    ironPdfEngineDockerAddress?: string | undefined;
    /**
     * Enable debug mode
     *
     * Debug mode: IronPdf will expose more logging messages
     *
     * @default false
     */
    debugMode?: boolean | undefined;
    /**
     * Removes watermarks. Get licensed at https://ironpdf.com/nodejs/licensing.
     *
     * For Node.js applications, a license key can alternatively be set using the environment variable IRONPDF_LICENSE_KEY.
     * Priority: programmatic licenseKey > IRONPDF_LICENSE_KEY environment variable.
     *
     * For .Net framework applications, a license key can alternatively be added to Web.Config or App.Config XML file using
     * <add key="IronPdf.LicenseKey" value="IRONPDF-LICENSE-KEY"/> within the appSettings tag. See
     * https://ironpdf.com/nodejs/docs/license/license-keys/ for more details.
     *
     * For .Net Core applications, a license key may be added to appsettings.json where the key name is "IronPdf.LicenseKey" and the value is a valid IronPDF trial or full license key.
     *
     * See https://ironpdf.com/nodejs/licensing/ for licensing options.
     *
     * @default undefined
     */
    licenseKey?: string | undefined;
    /**
     * SingleProcess mode Forces Chrome renderer to perform everything in the current process, rather than using subprocesses (default true for macOS, false for other OS)
     * @default false
     */
    singleProcess?: boolean | undefined;
    /**
     * Set Maximum number of concurrent browsers when using the Chrome renderer
     * @default 30
     */
    chromeBrowserLimit?: number | undefined;
    /**
     * Disk cache path for Chrome browser instances
     * @default undefined
     */
    chromeBrowserCachePath?: string | undefined;
    /**
     * Chrome renderer GPU compatibility mode. In special environment like Docker or Cloud Service please use ChromeGpuModes "Disabled"
     * @default {@link ChromeGpuModes.Disabled}
     */
    chromeGpuMode?: ChromeGpuModes | undefined;
    /**
     * If true The necessary package dependencies for IronPDF rendering will we automatically installed to
     * Docker and Debian / Ubuntu Linux deployments.
     * This will take a few minutes the next time you run IronPDF.
     * Set this to false if manual Docker / Linux setup is more convenient:
     * <a href="https://ironpdf.com/docs/questions/docker-linux/">more info</a>
     * @default true
     */
    autoInstallDependency?: boolean | undefined;
}
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