import type OpenFin from "@openfin/core";
import { type ChildProcess } from "child_process";
/**
 * Methods for OpenFin System object handling.
 */
export declare class OpenFinSystem {
    /**
     * Waits for the fin runtime to become available.
     * @param timeoutMs The maximum time to wait for the fin runtime to be ready.
     * @param intervalMs The amount of time between checks.
     * @returns The runtime version.
     */
    static waitForReady(timeoutMs?: number, intervalMs?: number): Promise<boolean>;
    /**
     * Launch a manifest.
     * @param manifest The manifest to load.
     * @param options The options for launching the manifest.
     * @param options.runtimeVersion The runtimeVersion to use in the manifest, leave blank for default.
     * @param options.realm The security realm to use, leave blank for no security realm.
     * @returns True if the launch was successful.
     */
    static launchManifest(manifest: string, options?: {
        runtimeVersion?: string;
        realm?: string;
    }): Promise<boolean>;
    /**
     * Launch a manifest with overrides.
     * @param manifest The manifest to load.
     * @param manifestOverrides Data to override in the manifest.
     * @param runtimeArgs Add, remove or replace runtime args.
     * @returns True if the launch was successful.
     */
    static launchManifestAdvanced(manifest: string, manifestOverrides: Partial<OpenFin.Manifest> | undefined, runtimeArgs?: {
        arg: string;
        op: "add" | "delete" | "replace";
        value?: string;
    }[]): Promise<boolean>;
    /**
     * Spawn a child and display the output.
     * @param process The process to spawn.
     * @param args The arguments for the app.
     * @param options The options to launch with.
     * @param options.shell Launch as shell with unsanitized args.
     * @param hideOutput Hide the output.
     * @param hideErrors Ignore errors in the output.
     * @param endCallback Callback to call when the task completes.
     * @returns The spawned process.
     */
    static spawnWithOutput(process: string, args?: string[], options?: {
        shell: boolean;
    }, hideOutput?: boolean, hideErrors?: boolean, endCallback?: (output: string, error: string) => void): ChildProcess;
}