@Override
    public ILdapSearch setLdapErrorHandler(IAsyncHandler<LdapException> handler) {
        this.ldapErrorHandler = handler;
        return this;
    }
@author Marc Savy {@literal <msavy@redhat.com>}
gateway/engine/core/src/main/java/io/apiman/gateway/engine/impl/DefaultLdapSearchImpl.java