{"ast_node_type":"variable","tokens":[{"end":66,"kind":"keyword","start":0,"text":"let"}]}
    let field4 = builder.context.new_field(None, m128i, "field4");
    let field3 = builder.context.new_field(None, m128i, "field3");
    let field5 = builder.context.new_field(None, m128i, "field5");