Pairs the requested template fragment with the projection alias a query binds to it, if any. The
fragment shape and the presence of an alias jointly classify the node: use isModelBranch /
isQueryBranch to split a plain retrieval, isProbeBranch to pick out a projected one.
The retrieval requested at a node of a flake.
Pairs the requested template fragment with the projection alias a query binds to it, if any. The fragment shape and the presence of an alias jointly classify the node: use isModelBranch / isQueryBranch to split a plain retrieval, isProbeBranch to pick out a projected one.