syntax_data: {"ast_node_type":"other","tokens":[{"end":25,"kind":"keyword","start":0,"text":"DstIsNotYetSupported,"}]}
source_snippet:     DstIsNotYetSupported,
context_before:     /// The layout of the destination type is not yet supported.
context_after:     /// The layout of the destination type is bit-incompatible with the source type.