EmbeddedHeadersProvider
export
type EmbeddedHeadersProvider = <  T extends EmbeddedWithHeadersTagName>(  uri: string,  tagName: T,  params: EmbeddedWithHeadersParamsMap[T]) => Record<string, string>  | null  | voidDefined in packages/render-html/src/shared-types.ts
A function to provide headers to a peculiar embedded element.