+sub load_start {
+ my $self = shift;
+
+ $self->error("TalkerBase::load_start called, this should never happen!");
+ return undef;
+}
+
+sub send_request {
+ my $self = shift;
+
+ $self->error("TalkerBase::send_request called, this should never happen!");
+ return undef;
+}
+
+sub errstr {
+ my $self = shift;
+
+ return $self->{'__ERROR'};
+}
+