{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"ErasedFileAstId,"}]}
    ErasedFileAstId, FIXUP_ERASED_FILE_AST_ID_MARKER, ROOT_ERASED_FILE_AST_ID, Span, SpanAnchor,
use span::{
    SyntaxContext,