in server/src/jetbrains/buildServer/vsoRooms/rest/impl/VSOTeamRoomsAPIConnectionImpl.java [54:59]
private HttpHeaders getRequestHeaders() {
final HttpHeaders headers = new HttpHeaders();
headers.add("Authorization", "Basic " + getEncodedCreds(myUser, myPassword));
headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
return headers;
}