default column: 0x00006080000a61e0 [MyHeaderCell(0x000060c0000a0f60)::init(textCell:)] default column: 0x00006080000a6360 [MyHeaderCell(0x000060c0000a0fc0)::init(textCell:)] default column: 0x00006080000a64e0 [MyHeaderCell(0x000060c0000a1020)::init(textCell:)] [MyHeaderCell(0x000060c0000a1020)::copy] [MyHeaderCell(0x00006040000a5280)::deinit] [MyHeaderCell(0x000060c0000a1020)::copy] [MyHeaderCell(0x00006040000a5580)::deinit] [MyHeaderCell(0x000060c0000a1020)::copy]