'Set the quota for a directory.
Quota parameters may have three types of values:
(1) 0 or more:      Quota will be set to that value.
(2) QUOTA_DONT_SET: Quota will not be changed,
(3) QUOTA_RESET:    Quota will be reset.
Any other value is a runtime error.
Parameters:
- ctx
- path: Path of the directory.
- namespaceQuota: Limit on the number of names in the directory.
- diskspaceQuota: Limit on disk space occupied by all the files in the
directory.'

def setQuota(self, ctx, path, namespaceQuota, diskspaceQuota):

    pass
