getLibraryUrl function
Get the URL for a maven library.
The os
string should be null or "linux", "windows" or "osx".
Implementation
String getLibraryUrl(String package, String name, String version,
{String? os}) {
var jarFileName =
os == null ? '$name-$version.jar' : '$name-$version-natives-$os';
return path.join(_librariesApi, package, name, version, jarFileName);
}