{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"AstIdMap,"}]}
        AstIdMap, AstIdNode, ErasedFileAstId, FIXUP_ERASED_FILE_AST_ID_MARKER, FileAstId,
    ast_id::{
        ROOT_ERASED_FILE_AST_ID,