Nullability of reference types in type of parameter 'connectionString' of 'DbConnectionStringBuilder DiscoveredServerHelper.GetConnectionStringBuilder(string connectionString)' doesn't match implicitly implemented member 'DbConnectionStringBuilder IDiscoveredServerHelper.GetConnectionStringBuilder(string? connectionString)' (possibly because of nullability attributes).

Nullability of type of parameter 'databaseName' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'schema' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'database' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'database' doesn't match overridden member (possibly because of nullability attributes).

Possible null reference argument for parameter 'name' in 'DiscoveredColumn.DiscoveredColumn(DiscoveredTable table, string name, bool allowsNulls)'.

Possible null reference argument for parameter 'key' in 'bool Dictionary<string, DiscoveredRelationship>.TryGetValue(string key, out DiscoveredRelationship value)'.

Possible null reference argument for parameter 'tableName' in 'DiscoveredTable DiscoveredDatabase.ExpectTable(string tableName, string? schema = null, TableType tableType = TableType.Table)'.

Possible null reference argument for parameter 'tableName' in 'DiscoveredTable DiscoveredDatabase.ExpectTable(string tableName, string? schema = null, TableType tableType = TableType.Table)'.

Possible null reference argument for parameter 'primaryKeyCol' in 'void DiscoveredRelationship.AddKeys(string primaryKeyCol, string foreignKeyCol, IManagedTransaction? transaction = null)'.

Nullability of reference types in type of parameter 'connectionString' of 'DbConnectionStringBuilder DiscoveredServerHelper.GetConnectionStringBuilder(string connectionString)' doesn't match implicitly implemented member 'DbConnectionStringBuilder IDiscoveredServerHelper.GetConnectionStringBuilder(string? connectionString)' (possibly because of nullability attributes).

Nullability of type of parameter 'database' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'databaseName' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'schema' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'database' doesn't match overridden member (possibly because of nullability attributes).

Possible null reference argument for parameter 'name' in 'DiscoveredColumn.DiscoveredColumn(DiscoveredTable table, string name, bool allowsNulls)'.

Dereference of a possibly null reference.

Possible null reference assignment.

Non-nullable property 'ForeignKeyPairs' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.