export['resourcename'].someFunctionName([arguments ...])
export['resourcename']:someFunctionName([arguments ...])
export['resourcename']['someFunctionName']([arguments ...])
export.resourcename.someFunctionName([arguments ...])
export.resourcename:someFunctionName([arguments ...])
export.resourcename['someFunctionName']([arguments ...])
local resource = export['resourcename']
resource.someFunctionName([arguments ...])
resource:someFunctionName([arguments ...])
resource['someFunctionName']([arguments ...])