How to use

getSearchHandler

method

in

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

@Override
@Nonnull
public Collection<String> getFieldIds(final ApplicationUser searcher, final String jqlClauseName)
{
  return transform(filter(getHelper().getSearchHandler(jqlClauseName), and(hasFieldId, new PermissionToUse(searcher))), getFieldId);
}

@Override
@Nonnull
public Collection<String> getFieldIds(final String jqlClauseName)
{
  return transform(filter(getHelper().getSearchHandler(jqlClauseName), hasFieldId), getFieldId);
}

@Override
@Nonnull
public Collection<ClauseHandler> getClauseHandler(final String jqlClauseName)
{
  notBlank("jqlClauseName", jqlClauseName);
  return unmodifiableCollection(getHelper().getSearchHandler(jqlClauseName));
}