import { Tree } from 'broccoli';
declare const EjectTree_base: new (...args: any[]) => Tree;
/**
 * Broccoli only allows a single output folder per build. However, to support
 * on-the-fly compilation of addons, we want to be able to build them _into
 * their own folder_, rather than the compiled consuming app. This lets us
 * treat on-the-fly compilation the same as precompilation.
 *
 * This EjectTree enables this. It "ejects" the result of an intermediate build
 * step to the supplied destination folder.
 */
export default class EjectTree extends EjectTree_base {
    protected _linked: boolean;
    protected inputPaths: string[];
    protected outputPath: string;
    /**
     * Should the eject tree also copy to it's normal destination path, in addition
     * to ejecting to the supplied destDir?
     */
    protected tee: boolean;
    /**
     * The destination directory
     */
    protected destDir: string;
    /**
     * @param options.tee if true, writes the input tree to both the output tree
     * as well as the eject destination; if false, writes to eject destination
     * only; defaults to false
     */
    constructor(inputTree: Tree, destDir: string, options?: {
        tee?: true;
    });
    /**
     * "Eject" files from the build pipeline, writing them out to an external
     * destination before the rest of the build finishes
     */
    build(): void;
}