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Possible null reference argument for parameter 'value' in 'void Dictionary<string, object>.Add(string key, object value)'.

Possible null reference argument for parameter 'subject' in 'JwtSignOptions.JwtSignOptions(JwtAlgorithm algorithm, string audience, string subject, string issuer, string jwtid, string keyid)'.

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

Possible null reference argument for parameter 'value' in 'void Dictionary<string, string>.Add(string key, string value)'.

Possible null reference argument for parameter 'value' in 'void Dictionary<string, string>.Add(string key, string value)'.

Possible null reference argument for parameter 'value' in 'void Dictionary<string, string>.Add(string key, string value)'.

Argument of type 'Dictionary<string, string>' cannot be used for parameter 'map' of type 'Dictionary<string, string?>' in 'Dictionary<string, string> Utils.PrepareParams(Dictionary<string, string?> map)' due to differences in the nullability of reference types.

Argument of type 'Dictionary<string, string>' cannot be used for parameter 'dict1' of type 'Dictionary<string, string?>' in 'Dictionary<string, string?> DictionaryUtils.MergeDictionaries<string, string>(Dictionary<string, string?> dict1, Dictionary<string, string?>? dict2)' due to differences in the nullability of reference types.

Argument of type 'Dictionary<string, string>' cannot be used for parameter 'dict2' of type 'Dictionary<string, string?>' in 'Dictionary<string, string?> DictionaryUtils.MergeDictionaries<string, string>(Dictionary<string, string?> dict1, Dictionary<string, string?>? dict2)' due to differences in the nullability of reference types.