{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"rustc_abi::TagEncoding::Niche"}]}
            rustc_abi::TagEncoding::Niche { untagged_variant, niche_variants, niche_start } => {
            rustc_abi::TagEncoding::Direct => TagEncoding::Direct,
                TagEncoding::Niche {