What a transport resolves with. The engine is lenient about the shapes a custom
transport naturally produces: headers may be a plain record in any letter case, a
fetch Headers or a Map; body may be a Buffer, any ArrayBuffer view (a
Uint8Array from fetch) or an ArrayBuffer. Anything else is a
FitConnectNetworkError.
What a transport resolves with. The engine is lenient about the shapes a custom transport naturally produces:
headersmay be a plain record in any letter case, a fetchHeadersor aMap;bodymay be a Buffer, any ArrayBuffer view (aUint8Arrayfromfetch) or an ArrayBuffer. Anything else is aFitConnectNetworkError.