workspace.json

{
    "frameworks": {
        "ext": {
            "path":"ext",
            "version":"5.1.1.451"
        }
    },

    /**
     * This is the folder for build outputs in the workspace.
     */
    "build": {
        "dir": "${workspace.dir}/build"
    },

    /**
     * These configs determine where packages are generated and extracted to (when downloaded).
     */
    "packages": {
        /**
         * This folder contains all local packages.
         * If a comma-separated string is used as value the first path will be used as the path to generate new packages.
         */
        "dir": "${workspace.dir}/packages/local,${workspace.dir}/packages",

        /**
         * This folder contains all extracted (remote) packages.
         */
        "extract": "${workspace.dir}/packages/remote"
    }
}