syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"|"}]}
source_snippet:                 | PointerKind::MutableRef { unpin: false } => Size::ZERO,
context_before:                 | PointerKind::SharedRef { frozen: false }
context_after:                 PointerKind::SharedRef { frozen: true }