code: protected Stream<Branch> getSVNConfiguredBranches() {
          return structureService.getProjectList()
                  .stream()
                  // ...which have a SVN configuration
                  .filter(project -> propertyService.hasProperty(project, SVNProjectConfigurationPropertyType.class))
                  // ...gets all their branches
                  .flatMap(project -> structureService.getBranchesForProject(project.getId()).stream())
                  // ...which have a SVN configuration
                  .filter(branch -> propertyService.hasProperty(branch, SVNBranchConfigurationPropertyType.class));
      }
docs: Gets the list of all branches, for all projects, which are properly configured for SVN.