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let append: ( WebAPI.FetchAPI.formData, ~name: string, ~value: string,) => unit
let append2: ( WebAPI.FetchAPI.formData, ~name: string, ~blobValue: WebAPI.FileAPI.blob, ~filename: string=?,) => unit
let delete: (WebAPI.FetchAPI.formData, string) => unit
let get: (WebAPI.FetchAPI.formData, string) => WebAPI.FileAPI.file
let get2: (WebAPI.FetchAPI.formData, string) => string
let getAll: ( WebAPI.FetchAPI.formData, string,) => array<WebAPI.FetchAPI.formDataEntryValue>
let has: (WebAPI.FetchAPI.formData, string) => bool
let make: ( ~form: WebAPI.DOMAPI.htmlFormElement=?, ~submitter: WebAPI.DOMAPI.htmlElement=?,) => WebAPI.FetchAPI.formData
let set: ( WebAPI.FetchAPI.formData, ~name: string, ~value: string,) => unit
let set2: ( WebAPI.FetchAPI.formData, ~name: string, ~blobValue: WebAPI.FileAPI.blob, ~filename: string=?,) => unit