How to use

getSearchHandlers

method

in

com.atlassian.jira.issue.search.managers.DefaultSearchHandlerManager$Helper

@Override
@Nonnull
public Collection<ClauseNames> getVisibleJqlClauseNames(final ApplicationUser searcher)
{
  return transformSet(filter(getHelper().getSearchHandlers(), new PermissionToUse(searcher)), getClauseNames);
}

@Override
@Nonnull
public Collection<ClauseHandler> getVisibleClauseHandlers(final ApplicationUser searcher)
{
  Set<ClauseHandler> visibleClauseHandlers = new HashSet<ClauseHandler>();
  final Collection<ClauseHandler> clauseHandlers = getHelper().getSearchHandlers();
  Set<FieldLayout> fieldLayouts = fieldManager.getVisibleFieldLayouts(searcher);
  for (ClauseHandler clauseHandler : clauseHandlers)
  {
    if (clauseHandler.getPermissionHandler().hasPermissionToUseClause(searcher, fieldLayouts))
    {
      visibleClauseHandlers.add(clauseHandler);
    }
  }
  return visibleClauseHandlers;
}