syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"tcx.intern_region(ty::RePlaceholder(placeholder))"}]}
source_snippet:         tcx.intern_region(ty::RePlaceholder(placeholder))
context_before:     pub fn new_placeholder(tcx: TyCtxt<'tcx>, placeholder: ty::PlaceholderRegion) -> Region<'tcx> {
context_after:     }