@ file : Suppress ( ĊĠĠĠ Ġ" INTERFACE _ WITH _ SUPER CLASS ", ĊĠĠĠ Ġ" OVER RID ING _ FINAL _ MEMBER ", ĊĠĠĠ Ġ" RETURN _ TYPE _ MIS MATCH _ ON _ OVERRIDE ", ĊĠĠĠ Ġ" CONF LI CT ING _ OVERLOAD S ", ĊĠĠĠ Ġ" EXTERNAL _ DE LEG ATION ", ĊĠĠĠ Ġ" NE ST ED _ CLASS _ IN _ EXTERNAL _ INTERFACE " Ċ ) Ċ Ċ package Ġcomponents . material ui Ċ Ċ import Ġreact . R Class Ċ import Ġreact . R Props Ċ Ċ @ Js Module ("@ material - ui / core / Back drop / Back drop ") Ċ external Ġval ĠBack drop Import : Ġdynamic Ċ Ċ external Ġinterface ĠBack drop Props Ġ: ĠR Props Ġ{ ĊĠĠĠ Ġvar Ġinvisible : ĠBoolean ? Ġget () Ġ= Ġdefined Ex tern ally ; Ġset ( value ) Ġ= Ġdefined Ex tern ally ĊĠĠĠ Ġvar ĠonClick : ĠEventHandler Function ? Ġget () Ġ= Ġdefined Ex tern ally ; Ġset ( value ) Ġ= Ġdefined Ex tern ally ĊĠĠĠ Ġvar Ġopen : ĠBoolean ĊĠĠĠ Ġvar Ġtransition Duration : Ġdynamic Ġ/* Ġ" Indexed AccessType " Ġkind Ġunsupported Ġyet Ġhere ! Ġ( build / node _ modules /@ material - ui / core / Back drop / Back drop . d . ts : 1 4 : 2 3 Ġto Ġ 1 4 : 5 0 ) Ġ*/ Ġget () Ġ= Ġdefined Ex tern ally ; Ġset ( value ) Ġ= Ġdefined Ex tern ally Ċ } Ċ Ċ var ĠBack drop : ĠR Class < Back drop Props > Ġ= ĠBack drop Import . default ĊĊ