namespace Microsoft.Data.ProviderBase { internal class DbMetaDataFactory { protected DataSet CollectionDataSet { get; } protected string ServerVersion { get; } protected string ServerVersionNormalized { get; } public DbMetaDataFactory(Stream xmlStream, string serverVersion, string normalizedServerVersion); protected DataTable CloneAndFilterCollection(string collectionName, string[] hiddenColumnNames); public void Dispose(); protected virtual void Dispose(bool disposing); public virtual DataTable GetSchema(DbConnection connection, string collectionName, string[] restrictions); protected virtual DataTable PrepareCollection(string collectionName, string[] restrictions, DbConnection connection); } }