Npgsql.NpgsqlCommandBuilder.UnquoteIdentifier C# (CSharp) Method

        public override string UnquoteIdentifier(string quotedIdentifier)

        {
            if (quotedIdentifier == null)

            {
                throw new ArgumentNullException(nameof(quotedIdentifier), "Quoted identifier parameter cannot be null");
            }

            var unquotedIdentifier = quotedIdentifier.Trim().Replace(QuotePrefix + QuotePrefix, QuotePrefix);

            if (unquotedIdentifier.StartsWith(QuotePrefix))

            {
                unquotedIdentifier = unquotedIdentifier.Remove(0, 1);
            }

            if (unquotedIdentifier.EndsWith(QuoteSuffix))

            {
                unquotedIdentifier = unquotedIdentifier.Remove(unquotedIdentifier.Length - 1, 1);
            }

            return unquotedIdentifier;
        }
    }

        private static string InitSnapshotStoreSql(string tableName, string schemaName = null)
        {
            if (string.IsNullOrEmpty(tableName)) throw new ArgumentNullException("tableName", "Akka.Persistence.PostgreSql snapshot store table name is required");
            schemaName = schemaName ?? "public";

            var cb = new NpgsqlCommandBuilder();
            return string.Format(SqlSnapshotStoreFormat, cb.QuoteIdentifier(schemaName), cb.QuoteIdentifier(tableName), cb.UnquoteIdentifier(schemaName), cb.UnquoteIdentifier(tableName));
        }