/** Accepts attribute visitor <v> at this node. */
public Object accept(AttributeStreamVisitor v) {
return v.visitFilter(
this, fields, methods, init, getPhases()[0], getInputType(), getOutputType());
}
/** Accepts attribute visitor <v> at this node. */
public Object accept(AttributeStreamVisitor v) {
return v.visitJoiner(this, type, weights);
}