{"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"///"}]}
///                 let end = (variant_field.field("DISCR128_END_LO").value as u128) |
///                             (variant_field.field("DISCR128_BEGIN_HI").value as u128 << 64);
///                           (variant_field.field("DISCR128_END_HI").value as u128 << 64);