interface  Utils  {       closest ( element :  HTMLElement , 
selector :  string , 
context ?:  HTMLElement ) :  null  |  HTMLElement ;       css ( element :  HTMLElement ) :  CSSStyleDeclaration ;       css < K > ( element :  HTMLElement , 
prop :  K ) :  CSSStyleDeclaration [ K ] ;       css < K > ( element :  HTMLElement , 
prop :  K , 
value :  CSSStyleDeclaration [ K ] ) :  void ;       find ( context :  HTMLElement , 
tagName :  string , 
iterator ?:  ( ( value :  HTMLElement , 
index :  number )  =>  void ) ) :  NodeListOf < HTMLElement > ;       is ( element :  HTMLElement , 
selector :  string ) :  boolean ;       off ( element :  HTMLElement , 
event :  string , 
fn :  EventListenerOrEventListenerObject ) :  void ;       on ( element :  HTMLElement , 
event :  string , 
fn :  EventListenerOrEventListenerObject ) :  void ;       toggleClass ( element :  HTMLElement , 
name :  string , 
state :  boolean ) :  void ;  } Defined in node_modules/@types/sortablejs/index.d.ts:422 closest closest ( element , selector , context ? ) :  null  |  HTMLElement Parameters element : HTMLElement selector : string Optionalcontext : HTMLElement Returns null  |  HTMLElement  Defined in node_modules/@types/sortablejs/index.d.ts:485 css css ( element ) :  CSSStyleDeclaration Returns CSSStyleDeclaration  Defined in node_modules/@types/sortablejs/index.d.ts:443 css < K > ( element , prop ) :  CSSStyleDeclaration [ K ] Type Parameters K  extends  keyof  CSSStyleDeclaration Parameters element : HTMLElement prop : K Returns CSSStyleDeclaration [ K ]  Defined in node_modules/@types/sortablejs/index.d.ts:450 css < K > ( element , prop , value ) :  void Type Parameters K  extends  keyof  CSSStyleDeclaration Parameters element : HTMLElement prop : K value : CSSStyleDeclaration [ K ] Returns void  Defined in node_modules/@types/sortablejs/index.d.ts:458 find find ( context , tagName , iterator ? ) :  NodeListOf < HTMLElement > Parameters context : HTMLElement tagName : string Optionaliterator : ( ( value :  HTMLElement , index :  number )  =>  void ) ( value , index ) :  void Parameters value : HTMLElement index : number Returns void  Returns NodeListOf < HTMLElement >  Defined in node_modules/@types/sortablejs/index.d.ts:466 is is ( element , selector ) :  boolean Parameters element : HTMLElement selector : string Returns boolean  Defined in node_modules/@types/sortablejs/index.d.ts:477 off off ( element , event , fn ) :  void Parameters element : HTMLElement event : string fn : EventListenerOrEventListenerObject Returns void  Defined in node_modules/@types/sortablejs/index.d.ts:437 on on ( element , event , fn ) :  void Parameters element : HTMLElement event : string fn : EventListenerOrEventListenerObject Returns void  Defined in node_modules/@types/sortablejs/index.d.ts:429 toggle toggle ( element , name , state ) :  void Parameters element : HTMLElement name : string state : boolean Returns void  Defined in node_modules/@types/sortablejs/index.d.ts:493 
For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.