in src/Google.Cloud.Functions.Framework/GcfEvents/GcfConverters.cs [486:507]
protected override void MaybeReshapeData(Request request)
{
if (request.Data.TryGetValue("metadata", out var metadata) &&
metadata is JsonElement metadataElement &&
metadataElement.ValueKind == JsonValueKind.Object)
{
// JsonElement itself is read-only, but we can just replace the value with a
// Dictionary<string, JsonElement> that has the appropriate key/value pairs.
var metadataDict = new Dictionary<string, JsonElement>();
foreach (var item in metadataElement.EnumerateObject())
{
string name = item.Name switch
{
"lastSignedInAt" => "lastSignInTime",
"createdAt" => "createTime",
var x => x
};
metadataDict[name] = item.Value;
}
request.Data["metadata"] = metadataDict;
}
}