Delegate BuildableIfaceData.CustomTagStartCallback
public delegate bool BuildableIfaceData.CustomTagStartCallback(nint buildable, nint builder, nint child, NonNullableUtf8StringHandle tagname, nint parser, out nint data)
public delegate bool BuildableIfaceData.CustomTagStartCallback(nint buildable, nint builder, nint child, NonNullableUtf8StringHandle tagname, nint parser, out nint data)