Removes / invalidates any existing access token that so far was valid as a bearer token in a request's Authorization: HTTP header field and produces a new one which is returned in the response.
| Request Method: | GET/POST | 
| Output format: | JSON document of the following format{"username":"admin","access_token":"tnN1yVnXRuqEce3JqMpLUl7d+qeofez0tljKU1KzALw="}
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| Mandatory parameters: | None | 
| Examples: | 
		   Using the session ID in a session cookie: 
		  curl -D /tmp/header -b JSESSIONID=5e94c93e-b515-4bcd-8df8-0c786805a9e0 http://127.0.0.1:8888/security/api/restsecurity/remove_access_token
		  Using POST username and password form parameters: 
		  curl -d "username=admin&password=admin" -D /tmp/header http://127.0.0.1:8888/security/api/restsecurity/remove_access_token
		  Using a bearer access token: 
		  curl -D /tmp/header -H "Authorization: Bearer MVPg/uCV1QGqMDmDtUuOQBrSrB1NlIldm0LW+dnxZ2A=" http://127.0.0.1:8888/security/api/restsecurity/remove_access_token
		  Using basic authentication: 
		curl -D /tmp/header http://admin:admin@127.0.0.1:8888/security/api/restsecurity/remove_access_token
		   |