diff --git a/README.md b/README.md
index 280d7f9..c61d0e2 100644
--- a/README.md
+++ b/README.md
@@ -497,11 +497,7 @@ public static class InfluxClientExtensions
    /// <param name="commandOrQuery"></param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet<TInfluxRow>> ExecuteOperationAsync<TInfluxRow>( this IInfluxClient client, string commandOrQuery, string db )
-      where TInfluxRow : new()
-   {
-      return client.ExecuteOperationAsync<TInfluxRow>( commandOrQuery, db, null );
-   }
+   public static Task<InfluxResultSet<TInfluxRow>> ExecuteOperationAsync<TInfluxRow>( this IInfluxClient client, string commandOrQuery, string db );
 
    /// <summary>
    /// Executes an arbitrary command or query that returns a table as a result.
@@ -510,11 +506,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="commandOrQuery"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet<TInfluxRow>> ExecuteOperationAsync<TInfluxRow>( this IInfluxClient client, string commandOrQuery )
-      where TInfluxRow : new()
-   {
-      return client.ExecuteOperationAsync<TInfluxRow>( commandOrQuery, null, null );
-   }
+   public static Task<InfluxResultSet<TInfluxRow>> ExecuteOperationAsync<TInfluxRow>( this IInfluxClient client, string commandOrQuery );
 
    /// <summary>
    /// Executes an arbitrary command or query that returns a table as a result.
@@ -524,11 +516,7 @@ public static class InfluxClientExtensions
    /// <param name="commandOrQuery"></param>
    /// <param name="parameters"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet<TInfluxRow>> ExecuteOperationAsync<TInfluxRow>( this IInfluxClient client, string commandOrQuery, object parameters )
-      where TInfluxRow : new()
-   {
-      return client.ExecuteOperationAsync<TInfluxRow>( commandOrQuery, null, parameters );
-   }
+   public static Task<InfluxResultSet<TInfluxRow>> ExecuteOperationAsync<TInfluxRow>( this IInfluxClient client, string commandOrQuery, object parameters );
 
    /// <summary>
    /// Executes an arbitrary command that does not return a table.
@@ -537,10 +525,7 @@ public static class InfluxClientExtensions
    /// <param name="commandOrQuery"></param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet> ExecuteOperationAsync( this IInfluxClient client, string commandOrQuery, string db )
-   {
-      return client.ExecuteOperationAsync( commandOrQuery, db, null );
-   }
+   public static Task<InfluxResultSet> ExecuteOperationAsync( this IInfluxClient client, string commandOrQuery, string db );
 
    /// <summary>
    /// Executes an arbitrary command that does not return a table.
@@ -548,10 +533,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="commandOrQuery"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet> ExecuteOperationAsync( this IInfluxClient client, string commandOrQuery )
-   {
-      return client.ExecuteOperationAsync( commandOrQuery, null, null );
-   }
+   public static Task<InfluxResultSet> ExecuteOperationAsync( this IInfluxClient client, string commandOrQuery );
 
    /// <summary>
    /// Executes an arbitrary command that does not return a table.
@@ -560,10 +542,7 @@ public static class InfluxClientExtensions
    /// <param name="commandOrQuery"></param>
    /// <param name="parameters"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet> ExecuteOperationAsync( this IInfluxClient client, string commandOrQuery, object parameters )
-   {
-      return client.ExecuteOperationAsync( commandOrQuery, null, parameters );
-   }
+   public static Task<InfluxResultSet> ExecuteOperationAsync( this IInfluxClient client, string commandOrQuery, object parameters );
 
    #endregion
 
@@ -575,12 +554,7 @@ public static class InfluxClientExtensions
    /// <typeparam name="TInfluxRow"></typeparam>
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <returns></returns>
-   public static async Task<InfluxResult<TInfluxRow>> ShowStatsAsync<TInfluxRow>( this IInfluxClient client )
-      where TInfluxRow : IInfluxRow, new()
-   {
-      var parserResult = await client.ExecuteOperationAsync<TInfluxRow>( $"SHOW STATS" ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<TInfluxRow>> ShowStatsAsync<TInfluxRow>( this IInfluxClient client );
 
    /// <summary>
    /// Shows InfluxDB diagnostics.
@@ -588,23 +562,14 @@ public static class InfluxClientExtensions
    /// <typeparam name="TInfluxRow"></typeparam>
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <returns></returns>
-   public static async Task<InfluxResult<TInfluxRow>> ShowDiagnosticsAsync<TInfluxRow>( this IInfluxClient client )
-      where TInfluxRow : IInfluxRow, new()
-   {
-      var parserResult = await client.ExecuteOperationAsync<TInfluxRow>( $"SHOW DIAGNOSTICS" ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<TInfluxRow>> ShowDiagnosticsAsync<TInfluxRow>( this IInfluxClient client );
 
    /// <summary>
    /// Shows Shards.
    /// </summary>
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <returns></returns>
-   public static async Task<InfluxResult<ShardRow>> ShowShards( this IInfluxClient client )
-   {
-      var parserResult = await client.ExecuteOperationAsync<ShardRow>( $"SHOW SHARDS" ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<ShardRow>> ShowShards( this IInfluxClient client );
 
    #endregion
 
@@ -617,10 +582,7 @@ public static class InfluxClientExtensions
    /// <param name="username"></param>
    /// <param name="password"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet> CreateAdminUserAsync( this IInfluxClient client, string username, string password )
-   {
-      return client.ExecuteOperationAsync( $"CREATE USER {username} WITH PASSWORD '{password}' WITH ALL PRIVILEGES" );
-   }
+   public static Task<InfluxResultSet> CreateAdminUserAsync( this IInfluxClient client, string username, string password );
 
    /// <summary>
    /// CREATE a new non-admin user.
@@ -629,11 +591,7 @@ public static class InfluxClientExtensions
    /// <param name="username"></param>
    /// <param name="password"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> CreateUserAsync( this IInfluxClient client, string username, string password )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"CREATE USER {username} WITH PASSWORD '{password}'" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> CreateUserAsync( this IInfluxClient client, string username, string password );
 
    /// <summary>
    /// GRANT administrative privileges to an existing user.
@@ -641,11 +599,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="username"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> GrantAdminPrivilegesAsync( this IInfluxClient client, string username )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"GRANT ALL PRIVILEGES TO {username}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> GrantAdminPrivilegesAsync( this IInfluxClient client, string username );
 
    /// <summary>
    /// GRANT READ, WRITE or ALL database privileges to an existing user.
@@ -655,11 +609,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="username"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> GrantPrivilegeAsync( this IInfluxClient client, string db, DatabasePriviledge privilege, string username )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"GRANT {GetPrivilege( privilege )} ON \"{db}\" TO {username}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> GrantPrivilegeAsync( this IInfluxClient client, string db, DatabasePriviledge privilege, string username );
 
    /// <summary>
    /// REVOKE administrative privileges from an admin user
@@ -667,11 +617,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="username"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> RevokeAdminPrivilegesAsync( this IInfluxClient client, string username )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"REVOKE ALL PRIVILEGES FROM {username}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> RevokeAdminPrivilegesAsync( this IInfluxClient client, string username );
 
    /// <summary>
    /// REVOKE READ, WRITE, or ALL database privileges from an existing user.
@@ -681,11 +627,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="username"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> RevokePrivilegeAsync( this IInfluxClient client, string db, DatabasePriviledge privilege, string username )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"REVOKE {GetPrivilege( privilege )} ON \"{db}\" FROM {username}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> RevokePrivilegeAsync( this IInfluxClient client, string db, DatabasePriviledge privilege, string username );
 
    /// <summary>
    /// SET a user’s password.
@@ -694,11 +636,7 @@ public static class InfluxClientExtensions
    /// <param name="username"></param>
    /// <param name="password"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> SetPasswordAsync( this IInfluxClient client, string username, string password )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"SET PASSWORD FOR {username} = '{password}'" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> SetPasswordAsync( this IInfluxClient client, string username, string password );
 
    /// <summary>
    /// DROP a user.
@@ -706,22 +644,14 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="username"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> DropUserAsync( this IInfluxClient client, string username )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"DROP USER {username}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> DropUserAsync( this IInfluxClient client, string username );
 
    /// <summary>
    /// SHOW all existing users and their admin status.
    /// </summary>
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <returns></returns>
-   public static async Task<InfluxResult<UserRow>> ShowUsersAsync( this IInfluxClient client )
-   {
-      var parserResult = await client.ExecuteOperationAsync<UserRow>( $"SHOW USERS" ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<UserRow>> ShowUsersAsync( this IInfluxClient client );
 
    /// <summary>
    /// SHOW a user’s database privileges.
@@ -729,26 +659,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="username"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<GrantsRow>> ShowGrantsAsync( this IInfluxClient client, string username )
-   {
-      var parserResult = await client.ExecuteOperationAsync<GrantsRow>( $"SHOW GRANTS FOR {username}" ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
-
-   private static string GetPrivilege( DatabasePriviledge privilege )
-   {
-      switch( privilege )
-      {
-         case DatabasePriviledge.Read:
-            return "READ";
-         case DatabasePriviledge.Write:
-            return "WRITE";
-         case DatabasePriviledge.All:
-            return "ALL";
-         default:
-            throw new ArgumentException( "Invalid value.", nameof( privilege ) );
-      }
-   }
+   public static async Task<InfluxResult<GrantsRow>> ShowGrantsAsync( this IInfluxClient client, string username );
 
    #endregion
 
@@ -760,11 +671,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> CreateDatabaseAsync( this IInfluxClient client, string db )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"CREATE DATABASE \"{db}\"" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> CreateDatabaseAsync( this IInfluxClient client, string db );
 
    /// <summary>
    /// Delete a database with DROP DATABASE
@@ -772,11 +679,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> DropDatabaseAsync( this IInfluxClient client, string db )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"DROP DATABASE \"{db}\"" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> DropDatabaseAsync( this IInfluxClient client, string db );
 
    /// <summary>
    /// Delete series with DROP SERIES
@@ -785,11 +688,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="measurementName"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> DropSeries( this IInfluxClient client, string db, string measurementName )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"DROP SERIES FROM \"{measurementName}\"", db ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> DropSeries( this IInfluxClient client, string db, string measurementName );
 
    /// <summary>
    /// Delete series with DROP SERIES
@@ -799,11 +698,7 @@ public static class InfluxClientExtensions
    /// <param name="measurementName"></param>
    /// <param name="where"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> DropSeries( this IInfluxClient client, string db, string measurementName, string where )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"DROP SERIES FROM \"{measurementName}\" WHERE {where}", db ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> DropSeries( this IInfluxClient client, string db, string measurementName, string where );
 
    /// <summary>
    /// Delete measurements with DROP MEASUREMENT
@@ -812,11 +707,7 @@ public static class InfluxClientExtensions
    /// <param name="measurementName"></param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> DropMeasurementAsync( this IInfluxClient client, string db, string measurementName )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"DROP MEASUREMENT \"{measurementName}\"", db ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> DropMeasurementAsync( this IInfluxClient client, string db, string measurementName );
 
    /// <summary>
    /// Create retention policies with CREATE RETENTION POLICY
@@ -828,11 +719,7 @@ public static class InfluxClientExtensions
    /// <param name="replicationLevel"></param>
    /// <param name="isDefault"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> CreateRetentionPolicyAsync( this IInfluxClient client, string db, string policyName, string duration, int replicationLevel, bool isDefault )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"CREATE RETENTION POLICY \"{policyName}\" ON \"{db}\" DURATION {duration} REPLICATION {replicationLevel} {GetDefault( isDefault )}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> CreateRetentionPolicyAsync( this IInfluxClient client, string db, string policyName, string duration, int replicationLevel, bool isDefault );
 
    /// <summary>
    /// Create retention policies with CREATE RETENTION POLICY
@@ -845,11 +732,7 @@ public static class InfluxClientExtensions
    /// <param name="shardGroupDuration"></param>
    /// <param name="isDefault"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> CreateRetentionPolicyAsync( this IInfluxClient client, string db, string policyName, string duration, int replicationLevel, string shardGroupDuration, bool isDefault )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"CREATE RETENTION POLICY \"{policyName}\" ON \"{db}\" DURATION {duration} REPLICATION {replicationLevel} {GetShardGroupDuration( shardGroupDuration )} {GetDefault( isDefault )}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> CreateRetentionPolicyAsync( this IInfluxClient client, string db, string policyName, string duration, int replicationLevel, string shardGroupDuration, bool isDefault );
 
    /// <summary>
    /// Modify retention policies with ALTER RETENTION POLICY
@@ -861,11 +744,7 @@ public static class InfluxClientExtensions
    /// <param name="replicationLevel"></param>
    /// <param name="isDefault"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> AlterRetentionPolicyAsync( this IInfluxClient client, string db, string policyName, string duration, int replicationLevel, bool isDefault )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"ALTER RETENTION POLICY \"{policyName}\" ON \"{db}\" DURATION {duration} REPLICATION {replicationLevel} {GetDefault( isDefault )}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> AlterRetentionPolicyAsync( this IInfluxClient client, string db, string policyName, string duration, int replicationLevel, bool isDefault );
 
    /// <summary>
    /// Modify retention policies with ALTER RETENTION POLICY
@@ -878,11 +757,7 @@ public static class InfluxClientExtensions
    /// <param name="shardGroupDuration"></param>
    /// <param name="isDefault"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> AlterRetentionPolicyAsync( this IInfluxClient client, string db, string policyName, string duration, int replicationLevel, string shardGroupDuration, bool isDefault )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"ALTER RETENTION POLICY \"{policyName}\" ON \"{db}\" DURATION {duration} REPLICATION {replicationLevel} {GetShardGroupDuration( shardGroupDuration )} {GetDefault( isDefault )}" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> AlterRetentionPolicyAsync( this IInfluxClient client, string db, string policyName, string duration, int replicationLevel, string shardGroupDuration, bool isDefault );
 
    /// <summary>
    /// Delete retention policies with DROP RETENTION POLICY
@@ -891,21 +766,7 @@ public static class InfluxClientExtensions
    /// <param name="policyName"></param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> DropRetentionPolicyAsync( this IInfluxClient client, string db, string policyName )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"DROP RETENTION POLICY \"{policyName}\" ON \"{db}\"" ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
-
-   private static string GetDefault( bool isDefault )
-   {
-      return isDefault ? "DEFAULT" : string.Empty;
-   }
-
-   private static string GetShardGroupDuration( string shardGroupDuration )
-   {
-      return string.IsNullOrWhiteSpace( shardGroupDuration ) ? string.Empty : $"SHARD DURATION {shardGroupDuration}";
-   }
+   public static async Task<InfluxResult> DropRetentionPolicyAsync( this IInfluxClient client, string db, string policyName );
 
    #endregion
 
@@ -917,11 +778,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<ContinuousQueryRow>> ShowContinuousQueries( this IInfluxClient client, string db )
-   {
-      var parserResult = await client.ExecuteOperationAsync<ContinuousQueryRow>( "SHOW CONTINUOUS QUERIES", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<ContinuousQueryRow>> ShowContinuousQueries( this IInfluxClient client, string db );
 
    /// <summary>
    /// Creates a continuous query.
@@ -931,11 +788,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="continuousQuery"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> CreateContinuousQuery( this IInfluxClient client, string db, string name, string continuousQuery )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"CREATE CONTINUOUS QUERY \"{name}\" ON \"{db}\"\n{continuousQuery}", db ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> CreateContinuousQuery( this IInfluxClient client, string db, string name, string continuousQuery );
 
    /// <summary>
    /// Drops a continuous query.
@@ -944,11 +797,7 @@ public static class InfluxClientExtensions
    /// <param name="name"></param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult> DropContinuousQuery( this IInfluxClient client, string db, string name )
-   {
-      var resultSet = await client.ExecuteOperationAsync( $"DROP CONTINUOUS QUERY \"{name}\" ON \"{db}\"", db ).ConfigureAwait( false );
-      return resultSet.Results.FirstOrDefault();
-   }
+   public static async Task<InfluxResult> DropContinuousQuery( this IInfluxClient client, string db, string name );
 
    #endregion
 
@@ -959,11 +808,7 @@ public static class InfluxClientExtensions
    /// </summary>
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <returns></returns>
-   public static async Task<InfluxResult<DatabaseRow>> ShowDatabasesAsync( this IInfluxClient client )
-   {
-      var parserResult = await client.ExecuteOperationAsync<DatabaseRow>( $"SHOW DATABASES" ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<DatabaseRow>> ShowDatabasesAsync( this IInfluxClient client );
 
    /// <summary>
    /// The SHOW RETENTION POLICIES query lists the existing retention policies on a given database.
@@ -971,11 +816,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<RetentionPolicyRow>> ShowRetentionPoliciesAsync( this IInfluxClient client, string db )
-   {
-      var parserResult = await client.ExecuteOperationAsync<RetentionPolicyRow>( $"SHOW RETENTION POLICIES ON \"{db}\"", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<RetentionPolicyRow>> ShowRetentionPoliciesAsync( this IInfluxClient client, string db );
 
    /// <summary>
    /// The SHOW SERIES query returns the distinct series in your database.
@@ -983,11 +824,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<ShowSeriesRow>> ShowSeriesAsync( this IInfluxClient client, string db )
-   {
-      var parserResult = await client.ExecuteOperationAsync<ShowSeriesRow>( $"SHOW SERIES", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<ShowSeriesRow>> ShowSeriesAsync( this IInfluxClient client, string db );
 
    /// <summary>
    /// The SHOW SERIES query returns the distinct series in your database.
@@ -997,11 +834,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="measurementName"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<ShowSeriesRow>> ShowSeriesAsync( this IInfluxClient client, string db, string measurementName )
-   {
-      var parserResult = await client.ExecuteOperationAsync<ShowSeriesRow>( $"SHOW SERIES FROM \"{measurementName}\"", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<ShowSeriesRow>> ShowSeriesAsync( this IInfluxClient client, string db, string measurementName );
 
    /// <summary>
    /// The SHOW SERIES query returns the distinct series in your database.
@@ -1012,11 +845,7 @@ public static class InfluxClientExtensions
    /// <param name="measurementName"></param>
    /// <param name="where"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<ShowSeriesRow>> ShowSeriesAsync( this IInfluxClient client, string db, string measurementName, string where )
-   {
-      var parserResult = await client.ExecuteOperationAsync<ShowSeriesRow>( $"SHOW SERIES FROM \"{measurementName}\" WHERE {where}", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<ShowSeriesRow>> ShowSeriesAsync( this IInfluxClient client, string db, string measurementName, string where );
 
    /// <summary>
    /// The SHOW MEASUREMENTS query returns the measurements in your database.
@@ -1024,11 +853,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<MeasurementRow>> ShowMeasurementsAsync( this IInfluxClient client, string db )
-   {
-      var parserResult = await client.ExecuteOperationAsync<MeasurementRow>( "SHOW MEASUREMENTS", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<MeasurementRow>> ShowMeasurementsAsync( this IInfluxClient client, string db );
 
    /// <summary>
    /// The SHOW MEASUREMENTS query returns the measurements in your database.
@@ -1037,11 +862,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="where"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<MeasurementRow>> ShowMeasurementsAsync( this IInfluxClient client, string db, string where )
-   {
-      var parserResult = await client.ExecuteOperationAsync<MeasurementRow>( $"SHOW MEASUREMENTS WHERE {where}", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<MeasurementRow>> ShowMeasurementsAsync( this IInfluxClient client, string db, string where );
 
    /// <summary>
    /// The SHOW MEASUREMENTS query returns the measurements in your database.
@@ -1050,11 +871,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="measurementRegex"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<MeasurementRow>> ShowMeasurementsWithMeasurementAsync( this IInfluxClient client, string db, string measurementRegex )
-   {
-      var parserResult = await client.ExecuteOperationAsync<MeasurementRow>( $"SHOW MEASUREMENTS WITH MEASUREMENT =~ {measurementRegex}", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<MeasurementRow>> ShowMeasurementsWithMeasurementAsync( this IInfluxClient client, string db, string measurementRegex );
 
    /// <summary>
    /// The SHOW MEASUREMENTS query returns the measurements in your database.
@@ -1064,11 +881,7 @@ public static class InfluxClientExtensions
    /// <param name="measurementRegex"></param>
    /// <param name="where"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<MeasurementRow>> ShowMeasurementsWithMeasurementAsync( this IInfluxClient client, string db, string measurementRegex, string where )
-   {
-      var parserResult = await client.ExecuteOperationAsync<MeasurementRow>( $"SHOW MEASUREMENTS WITH MEASUREMENT =~ {measurementRegex} WHERE {where}", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<MeasurementRow>> ShowMeasurementsWithMeasurementAsync( this IInfluxClient client, string db, string measurementRegex, string where );
 
    /// <summary>
    /// SHOW TAG KEYS returns the tag keys associated with each measurement.
@@ -1076,11 +889,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<TagKeyRow>> ShowTagKeysAsync( this IInfluxClient client, string db )
-   {
-      var parserResult = await client.ExecuteOperationAsync<TagKeyRow>( "SHOW TAG KEYS", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<TagKeyRow>> ShowTagKeysAsync( this IInfluxClient client, string db );
 
    /// <summary>
    /// SHOW TAG KEYS returns the tag keys associated with each measurement.
@@ -1089,11 +898,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="measurementName"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<TagKeyRow>> ShowTagKeysAsync( this IInfluxClient client, string db, string measurementName )
-   {
-      var parserResult = await client.ExecuteOperationAsync<TagKeyRow>( $"SHOW TAG KEYS FROM \"{measurementName}\"", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<TagKeyRow>> ShowTagKeysAsync( this IInfluxClient client, string db, string measurementName );
 
    /// <summary>
    /// The SHOW TAG VALUES query returns the set of tag values for a specific tag key across all measurements in the database.
@@ -1104,12 +909,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="tagKey"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<TInfluxRow>> ShowTagValuesAsAsync<TInfluxRow, TValue>( this IInfluxClient client, string db, string tagKey )
-      where TInfluxRow : ITagValueRow<TValue>, new()
-   {
-      var parserResult = await client.ExecuteOperationAsync<TInfluxRow>( $"SHOW TAG VALUES WITH KEY = \"{tagKey}\"", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<TInfluxRow>> ShowTagValuesAsAsync<TInfluxRow, TValue>( this IInfluxClient client, string db, string tagKey );
 
    /// <summary>
    /// The SHOW TAG VALUES query returns the set of tag values for a specific tag key across all measurements in the database.
@@ -1121,12 +921,7 @@ public static class InfluxClientExtensions
    /// <param name="tagKey"></param>
    /// <param name="measurementName"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<TInfluxRow>> ShowTagValuesAsAsync<TInfluxRow, TValue>( this IInfluxClient client, string db, string tagKey, string measurementName )
-      where TInfluxRow : ITagValueRow<TValue>, new()
-   {
-      var parserResult = await client.ExecuteOperationAsync<TInfluxRow>( $"SHOW TAG VALUES FROM \"{measurementName}\" WITH KEY = \"{tagKey}\"", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<TInfluxRow>> ShowTagValuesAsAsync<TInfluxRow, TValue>( this IInfluxClient client, string db, string tagKey, string measurementName );
 
    /// <summary>
    /// The SHOW TAG VALUES query returns the set of tag values for a specific tag key across all measurements in the database.
@@ -1135,10 +930,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="tagKey"></param>
    /// <returns></returns>
-   public static Task<InfluxResult<TagValueRow>> ShowTagValuesAsync( this IInfluxClient client, string db, string tagKey )
-   {
-      return client.ShowTagValuesAsAsync<TagValueRow, string>( db, tagKey );
-   }
+   public static Task<InfluxResult<TagValueRow>> ShowTagValuesAsync( this IInfluxClient client, string db, string tagKey );
 
    /// <summary>
    /// The SHOW TAG VALUES query returns the set of tag values for a specific tag key across all measurements in the database.
@@ -1148,10 +940,7 @@ public static class InfluxClientExtensions
    /// <param name="tagKey"></param>
    /// <param name="measurementName"></param>
    /// <returns></returns>
-   public static Task<InfluxResult<TagValueRow>> ShowTagValuesAsync( this IInfluxClient client, string db, string tagKey, string measurementName )
-   {
-      return client.ShowTagValuesAsAsync<TagValueRow, string>( db, tagKey, measurementName );
-   }
+   public static Task<InfluxResult<TagValueRow>> ShowTagValuesAsync( this IInfluxClient client, string db, string tagKey, string measurementName );
 
 
    /// <summary>
@@ -1160,11 +949,7 @@ public static class InfluxClientExtensions
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<FieldKeyRow>> ShowFieldKeysAsync( this IInfluxClient client, string db )
-   {
-      var parserResult = await client.ExecuteOperationAsync<FieldKeyRow>( $"SHOW FIELD KEYS", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<FieldKeyRow>> ShowFieldKeysAsync( this IInfluxClient client, string db );
 
    /// <summary>
    /// The SHOW FIELD KEYS query returns the field keys across each measurement in the database.
@@ -1173,11 +958,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="measurementName"></param>
    /// <returns></returns>
-   public static async Task<InfluxResult<FieldKeyRow>> ShowFieldKeysAsync( this IInfluxClient client, string db, string measurementName )
-   {
-      var parserResult = await client.ExecuteOperationAsync<FieldKeyRow>( $"SHOW FIELD KEYS FROM \"{measurementName}\"", db ).ConfigureAwait( false );
-      return parserResult.Results.First();
-   }
+   public static async Task<InfluxResult<FieldKeyRow>> ShowFieldKeysAsync( this IInfluxClient client, string db, string measurementName );
 
    #endregion
 
@@ -1188,10 +969,7 @@ public static class InfluxClientExtensions
    /// </summary>
    /// <param name="client">The IInfluxClient that performs operation.</param>
    /// <returns></returns>
-   public static Task<InfluxPingResult> PingAsync( this IInfluxClient client )
-   {
-      return client.PingAsync( null );
-   }
+   public static Task<InfluxPingResult> PingAsync( this IInfluxClient client );
 
    #endregion
 
@@ -1206,11 +984,7 @@ public static class InfluxClientExtensions
    /// <param name="measurementName"></param>
    /// <param name="rows"></param>
    /// <returns></returns>
-   public static Task WriteAsync<TInfluxRow>( this IInfluxClient client, string db, string measurementName, IEnumerable<TInfluxRow> rows )
-      where TInfluxRow : new()
-   {
-      return client.WriteAsync( db, measurementName, rows, client.DefaultWriteOptions );
-   }
+   public static Task WriteAsync<TInfluxRow>( this IInfluxClient client, string db, string measurementName, IEnumerable<TInfluxRow> rows );
 
    /// <summary>
    /// Writes the rows with default write options.
@@ -1220,11 +994,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="rows"></param>
    /// <returns></returns>
-   public static Task WriteAsync<TInfluxRow>( this IInfluxClient client, string db, IEnumerable<TInfluxRow> rows )
-      where TInfluxRow : new()
-   {
-      return client.WriteAsync( db, null, rows, client.DefaultWriteOptions );
-   }
+   public static Task WriteAsync<TInfluxRow>( this IInfluxClient client, string db, IEnumerable<TInfluxRow> rows );
 
    /// <summary>
    /// Writes the rows with the specified write options.
@@ -1235,11 +1005,7 @@ public static class InfluxClientExtensions
    /// <param name="rows"></param>
    /// <param name="options"></param>
    /// <returns></returns>
-   public static Task WriteAsync<TInfluxRow>( this IInfluxClient client, string db, IEnumerable<TInfluxRow> rows, InfluxWriteOptions options )
-      where TInfluxRow : new()
-   {
-      return client.WriteAsync( db, null, rows, options );
-   }
+   public static Task WriteAsync<TInfluxRow>( this IInfluxClient client, string db, IEnumerable<TInfluxRow> rows, InfluxWriteOptions options );
 
    /// <summary>
    /// Executes the query and returns the result with the default query options.
@@ -1249,11 +1015,7 @@ public static class InfluxClientExtensions
    /// <param name="query"></param>
    /// <param name="db"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet<TInfluxRow>> ReadAsync<TInfluxRow>( this IInfluxClient client, string db, string query )
-      where TInfluxRow : new()
-   {
-      return client.ReadAsync<TInfluxRow>( db, query, null, client.DefaultQueryOptions );
-   }
+   public static Task<InfluxResultSet<TInfluxRow>> ReadAsync<TInfluxRow>( this IInfluxClient client, string db, string query );
 
    /// <summary>
    /// Executes the query and returns the result with the default query options.
@@ -1264,11 +1026,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="parameters"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet<TInfluxRow>> ReadAsync<TInfluxRow>( this IInfluxClient client, string db, string query, object parameters )
-      where TInfluxRow : new()
-   {
-      return client.ReadAsync<TInfluxRow>( db, query, parameters, client.DefaultQueryOptions );
-   }
+   public static Task<InfluxResultSet<TInfluxRow>> ReadAsync<TInfluxRow>( this IInfluxClient client, string db, string query, object parameters );
 
    /// <summary>
    /// Executes the query and returns the result with the specified query options.
@@ -1279,11 +1037,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="options"></param>
    /// <returns></returns>
-   public static Task<InfluxResultSet<TInfluxRow>> ReadAsync<TInfluxRow>( this IInfluxClient client, string db, string query, InfluxQueryOptions options )
-      where TInfluxRow : new()
-   {
-      return client.ReadAsync<TInfluxRow>( db, query, null, options );
-   }
+   public static Task<InfluxResultSet<TInfluxRow>> ReadAsync<TInfluxRow>( this IInfluxClient client, string db, string query, InfluxQueryOptions options );
 
    /// <summary>
    /// Executes the query and returns a deferred result that can be iterated over as they
@@ -1297,11 +1051,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="query"></param>
    /// <returns></returns>
-   public static Task<InfluxChunkedResultSet<TInfluxRow>> ReadChunkedAsync<TInfluxRow>( this IInfluxClient client, string db, string query )
-      where TInfluxRow : new()
-   {
-      return client.ReadChunkedAsync<TInfluxRow>( db, query, null, client.DefaultQueryOptions );
-   }
+   public static Task<InfluxChunkedResultSet<TInfluxRow>> ReadChunkedAsync<TInfluxRow>( this IInfluxClient client, string db, string query );
 
    /// <summary>
    /// Executes the query and returns a deferred result that can be iterated over as they
@@ -1316,11 +1066,7 @@ public static class InfluxClientExtensions
    /// <param name="query"></param>
    /// <param name="parameters"></param>
    /// <returns></returns>
-   public static Task<InfluxChunkedResultSet<TInfluxRow>> ReadChunkedAsync<TInfluxRow>( this IInfluxClient client, string db, string query, object parameters )
-      where TInfluxRow : new()
-   {
-      return client.ReadChunkedAsync<TInfluxRow>( db, query, parameters, client.DefaultQueryOptions );
-   }
+   public static Task<InfluxChunkedResultSet<TInfluxRow>> ReadChunkedAsync<TInfluxRow>( this IInfluxClient client, string db, string query, object parameters );
 
    /// <summary>
    /// Executes the query and returns a deferred result that can be iterated over as they
@@ -1335,11 +1081,7 @@ public static class InfluxClientExtensions
    /// <param name="query"></param>
    /// <param name="options"></param>
    /// <returns></returns>
-   public static Task<InfluxChunkedResultSet<TInfluxRow>> ReadChunkedAsync<TInfluxRow>( this IInfluxClient client, string db, string query, InfluxQueryOptions options )
-      where TInfluxRow : new()
-   {
-      return client.ReadChunkedAsync<TInfluxRow>( db, query, null, options );
-   }
+   public static Task<InfluxChunkedResultSet<TInfluxRow>> ReadChunkedAsync<TInfluxRow>( this IInfluxClient client, string db, string query, InfluxQueryOptions options );
 
    /// <summary>
    /// Deletes data in accordance with the specified query
@@ -1348,10 +1090,7 @@ public static class InfluxClientExtensions
    /// <param name="db"></param>
    /// <param name="deleteQuery"></param>
    /// <returns></returns>
-   public static Task<InfluxResult> DeleteAsync( this IInfluxClient client, string db, string deleteQuery )
-   {
-      return client.DeleteAsync( db, deleteQuery, null );
-   }
+   public static Task<InfluxResult> DeleteAsync( this IInfluxClient client, string db, string deleteQuery );
 
    /// <summary>
    /// Deletes all data older than the specified timestamp.
@@ -1361,10 +1100,7 @@ public static class InfluxClientExtensions
    /// <param name="measurementName"></param>
    /// <param name="to"></param>
    /// <returns></returns>
-   public static Task<InfluxResult> DeleteOlderThanAsync( this IInfluxClient client, string db, string measurementName, DateTime to )
-   {
-      return client.DeleteAsync( db, $"DELETE FROM \"{measurementName}\" WHERE time < $to", new { to } );
-   }
+   public static Task<InfluxResult> DeleteOlderThanAsync( this IInfluxClient client, string db, string measurementName, DateTime to );
 
    /// <summary>
    /// Deletes all data in the specified range.
@@ -1375,10 +1111,7 @@ public static class InfluxClientExtensions
    /// <param name="from"></param>
    /// <param name="to"></param>
    /// <returns></returns>
-   public static Task<InfluxResult> DeleteRangeAsync( this IInfluxClient client, string db, string measurementName, DateTime from, DateTime to )
-   {
-      return client.DeleteAsync( db, $"DELETE FROM \"{measurementName}\" WHERE $from <= time AND time < $to", new { from, to } );
-   }
+   public static Task<InfluxResult> DeleteRangeAsync( this IInfluxClient client, string db, string measurementName, DateTime from, DateTime to );
 
    #endregion
 }