Creates a new BinderParams given some common parameters. Of these, the dtContext,
creationContext, modelProvider, insertionSubtreeRoot, and roots are required.
dtContext - design time context
creationContext - creation context
modelProvider - model provider
insertionSubtreeRoot - insertion subtree root
properties - map of properties
roots - root node
public org.w3c.dom.Node getBindRoots()
Returns the roots of the subtree to bind. This is usually the root nodes from the pattern or
Creator, or the root of the subtree that is to be rebound.
This is non-null, but may represent a document fragment that is empty.