{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"\"__0\","}]}
        "__0", "__1", "__2", "__3", "__4", "__5", "__6", "__7", "__8", "__9", "__10", "__11",
    const TUPLE_FIELD_NAMES: [&'static str; 16] = [
        "__12", "__13", "__14", "__15",