in teamcity-invitations-plugin-server/src/main/java/org/jetbrains/teamcity/invitations/InvitationAdminController.java [206:216]
public void fillModel(@NotNull Map<String, Object> model, @NotNull HttpServletRequest request) {
SProject project = getProject(request);
model.put("project", project);
model.put("invitations", invitations.getInvitations(project).stream()
.filter(i -> i.isAvailableFor(SessionUser.getUser(request)))
.collect(toList()));
model.put("invitationTypes", invitationTypes.stream()
.filter(invitationType -> invitationType.isAvailableFor(SessionUser.getUser(request), project))
.collect(toList()));
model.put("invitationRootUrl", invitationsController.getInvitationsPath());
}