Make '_clients' 'readonly'.

The parameter name '_options' is not declared in the argument list.

Remove this empty statement.

Use a StringBuilder instead.

Use a StringBuilder instead.

Make '_clients' 'readonly'.

The parameter name '_options' is not declared in the argument list.

Remove this empty statement.

Use a StringBuilder instead.

Use a StringBuilder instead.

.NET Core 3.1 is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.