* Opens a share url. * @param url

* Show debug message.

* Returns whether the skill is completed. * @param {*} skillId

* @license * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in

* Deferred init Firebase. * @returns {Promise<void>}

* Generals markdown for a heading. * @param text * @param level * @returns {string}

* Returns whether the skill is completed. * @returns {boolean}

* @license * Copyright 2017 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in

* Clears the snack container and resolves.

* Clears the context.

* Selects a focus jump. * @param name

* Generates markdown for an array of skills. * @param skills * @param area * @param collection * @param level * @returns {string}

* @license * Copyright (c) 2017 The Polymer Project Authors. All rights reserved. * This code may only be used under the BSD style license found at

* Resets the particles and clears the context.

* Sets the completed skills and saves it to local storage. * @param {*} skills

* Shows an update toast. * @returns {Promise<void>}

* Updates the list of completed skills and saves it. * @param {*} skills

* @license * Copyright 2019 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in