syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"VariantIdx,"}]}
source_snippet:     VariantIdx, Variants, WrappingRange,
context_before:     LayoutCalculatorError, LayoutData, Niche, ReprOptions, Scalar, Size, StructKind, TagEncoding,
context_after: };