return
local csi="\x1b\x5b27u\x1b\x5b"
local ESCAPE="${csi}27u"
local ENTER="${csi}13u"
local TAB="${csi}9u"
local BACKSPACE="${csi}127u"
local INSERT="${csi}2~"
local DELETE="${csi}3~"
local LEFT="${csi}1D"
local RIGHT="${csi}1C"
local UP="${csi}1A"
local DOWN="${csi}1B"
local PAGE_UP="${csi}5~"
local PAGE_DOWN="${csi}6~"
local HOME="${csi}1H or 7 ~"
local END="${csi}1F or 8 ~"
local CAPS_LOCK="${csi}57358u"
local SCROLL_LOCK="${csi}57359u"
local NUM_LOCK="${csi}57360u"
local PRINT_SCREEN="${csi}57361u"
local PAUSE="${csi}57362u"
local MENU="${csi}57363u"
local F1="${csi}1P or 11 ~"
local F2="${csi}1Q or 12 ~"
local F3="${csi}1R or 13 ~"
local F4="${csi}1S or 14 ~"
local F5="${csi}15~"
local F6="${csi}17~"
local F7="${csi}18~"
local F8="${csi}19~"
local F9="${csi}20~"
local F10="${csi}21~"
local F11="${csi}23~"
local F12="${csi}24~"
local F13="${csi}57376u"
local F14="${csi}57377u"
local F15="${csi}57378u"
local F16="${csi}57379u"
local F17="${csi}57380u"
local F18="${csi}57381u"
local F19="${csi}57382u"
local F20="${csi}57383u"
local F21="${csi}57384u"
local F22="${csi}57385u"
local F23="${csi}57386u"
local F24="${csi}57387u"
local F25="${csi}57388u"
local F26="${csi}57389u"
local F27="${csi}57390u"
local F28="${csi}57391u"
local F29="${csi}57392u"
local F30="${csi}57393u"
local F31="${csi}57394u"
local F32="${csi}57395u"
local F33="${csi}57396u"
local F34="${csi}57397u"
local F35="${csi}57398u"
local KP_0="${csi}57399u"
local KP_1="${csi}57400u"
local KP_2="${csi}57401u"
local KP_3="${csi}57402u"
local KP_4="${csi}57403u"
local KP_5="${csi}57404u"
local KP_6="${csi}57405u"
local KP_7="${csi}57406u"
local KP_8="${csi}57407u"
local KP_9="${csi}57408u"
local KP_DECIMAL="${csi}57409u"
local KP_DIVIDE="${csi}57410u"
local KP_MULTIPLY="${csi}57411u"
local KP_SUBTRACT="${csi}57412u"
local KP_ADD="${csi}57413u"
local KP_ENTER="${csi}57414u"
local KP_EQUAL="${csi}57415u"
local KP_SEPARATOR="${csi}57416u"
local KP_LEFT="${csi}57417u"
local KP_RIGHT="${csi}57418u"
local KP_UP="${csi}57419u"
local KP_DOWN="${csi}57420u"
local KP_PAGE_UP="${csi}57421u"
local KP_PAGE_DOWN="${csi}57422u"
local KP_HOME="${csi}57423u"
local KP_END="${csi}57424u"
local KP_INSERT="${csi}57425u"
local KP_DELETE="${csi}57426u"
local KP_BEGIN="${csi}1E or 57427 ~"
local MEDIA_PLAY="${csi}57428u"
local MEDIA_PAUSE="${csi}57429u"
local MEDIA_PLAY_PAUSE="${csi}57430u"
local MEDIA_REVERSE="${csi}57431u"
local MEDIA_STOP="${csi}57432u"
local MEDIA_FAST_FORWARD="${csi}57433u"
local MEDIA_REWIND="${csi}57434u"
local MEDIA_TRACK_NEXT="${csi}57435u"
local MEDIA_TRACK_PREVIOUS="${csi}57436u"
local MEDIA_RECORD="${csi}57437u"
local LOWER_VOLUME="${csi}57438u"
local RAISE_VOLUME="${csi}57439u"
local MUTE_VOLUME="${csi}57440u"
local LEFT_SHIFT="${csi}57441u"
local LEFT_CONTROL="${csi}57442u"
local LEFT_ALT="${csi}57443u"
local LEFT_SUPER="${csi}57444u"
local LEFT_HYPER="${csi}57445u"
local LEFT_META="${csi}57446u"
local RIGHT_SHIFT="${csi}57447u"
local RIGHT_CONTROL="${csi}57448u"
local RIGHT_ALT="${csi}57449u"
local RIGHT_SUPER="${csi}57450u"
local RIGHT_HYPER="${csi}57451u"
local RIGHT_META="${csi}57452u"
local ISO_LEVEL3_SHIFT="${csi}57453u"
local ISO_LEVEL5_SHIFT="${csi}57454u"