/// <summary>
/// Determines the required download size, dependencies included, for the specified <paramref name="key"/>.
/// Cached assets require no download and thus their download size will be 0. The Result of the operation
/// is the download size in bytes.
/// </summary>
/// <returns>The operation handle for the request.</returns>
/// <param name="key">The key of the asset(s) to get the download size of.</param>
public static AsyncOperationHandle <long> GetDownloadSize(object key)
{
return(m_Addressables.GetDownloadSize(key));
}