removed some deep copying
removed some deep copying


Former-commit-id: dbd92460aeb130614c8b1974c22e9c3944e8acb3 [formerly d5f6def68aed338d940bc5eca16ab748d408688b] [formerly dbd92460aeb130614c8b1974c22e9c3944e8acb3 [formerly d5f6def68aed338d940bc5eca16ab748d408688b] [formerly d5f6def68aed338d940bc5eca16ab748d408688b [formerly ebf90c64c827d27ab55611596f39a85d63d688ed]]]
Former-commit-id: 8776be8e6406f853e0821763dfccb307ecaac670
Former-commit-id: d443bec53540fcd337c30e41a478fb5cb16f0fdf [formerly 89602e4011466cf832a35f4e12d44030aea665f9]
Former-commit-id: daa879d196c06829d9f61f639a928678af80b4cc
interrogator/corpkit,interrogator/corpkit