https://bitbucket.org/atlassian/atlassian-xsd/src/5e78bb51fdda/jira/jira-4.3.xsd

https://bitbucket.org/atlassian/atlassian-connect-descriptor-guide/src/2954159b9777/xml/confluence.xsd

https://bitbucket.org/vladimir.dolzhenko/gflogger/raw/0.1.0/src/gflogger.xsd

