letappend: (
WebAPI.FetchAPI.headers,
~name:string,
~value:string,
)=>unit

letdelete: (WebAPI.FetchAPI.headers,string)=>unit

letfromDict:dict<string>=>WebAPI.FetchAPI.headers

letfromHeaders:WebAPI.FetchAPI.headers=>WebAPI.FetchAPI.headers

letfromKeyValueArray:array<(string,string)>=>WebAPI.FetchAPI.headers

letget: (WebAPI.FetchAPI.headers,string)=>null<string>

letgetSetCookie:WebAPI.FetchAPI.headers=>array<string>

lethas: (WebAPI.FetchAPI.headers,string)=>bool

letmake:unit=>WebAPI.FetchAPI.headers

letset: (
WebAPI.FetchAPI.headers,
~name:string,
~value:string,
)=>unit