The settings to apply during the parse of the abstract syntax tree.
The folding settings can affect the performance of the parse dramatically.
Editor Properties: (see get_editor_property/set_editor_property)
fold_assignments(bool): [Read-Write] fold assignments / copies
fold_constant_branches(bool): [Read-Write] fold / remove unreachable / constant branches
fold_literals(bool): [Read-Write] fold literals and share memory
fold_reroutes(bool): [Read-Write] remove no op nodes - used for reroutes and other expressions.