keep certificate path builder shim

src/Apache.IoTDB/SessionPool.Builder.cs

diff --git a/src/Apache.IoTDB/SessionPool.Builder.cs b/src/Apache.IoTDB/SessionPool.Builder.cs
index 9daf83d..be8696a 100644
--- a/src/Apache.IoTDB/SessionPool.Builder.cs
+++ b/src/Apache.IoTDB/SessionPool.Builder.cs
@@ -17,6 +17,7 @@
  * under the License.
  */
 
+using System;
 using System.Collections.Generic;
 
 namespace Apache.IoTDB;
@@ -108,6 +109,12 @@
             return this;
         }
 
+        [Obsolete("Use SetClientCertificatePath instead.")]
+        public Builder SetCertificatePath(string certificatePath)
+        {
+            return SetClientCertificatePath(certificatePath);
+        }
+
         public Builder SetClientCertificatePassword(string clientCertificatePassword)
         {
             _clientCertificatePassword = clientCertificatePassword;

src/Apache.IoTDB/TableSessionPool.Builder.cs

diff --git a/src/Apache.IoTDB/TableSessionPool.Builder.cs b/src/Apache.IoTDB/TableSessionPool.Builder.cs
index 45222bd..ab39c38 100644
--- a/src/Apache.IoTDB/TableSessionPool.Builder.cs
+++ b/src/Apache.IoTDB/TableSessionPool.Builder.cs
@@ -111,6 +111,12 @@
             return this;
         }
 
+        [Obsolete("Use SetClientCertificatePath instead.")]
+        public Builder SetCertificatePath(string certificatePath)
+        {
+            return SetClientCertificatePath(certificatePath);
+        }
+
         public Builder SetClientCertificatePassword(string clientCertificatePassword)
         {
             _clientCertificatePassword = clientCertificatePassword;

tests/Apache.IoTDB.Tests/MtlsConfigurationTests.cs

diff --git a/tests/Apache.IoTDB.Tests/MtlsConfigurationTests.cs b/tests/Apache.IoTDB.Tests/MtlsConfigurationTests.cs
index 62ad8d8..5e3b16f 100644
--- a/tests/Apache.IoTDB.Tests/MtlsConfigurationTests.cs
+++ b/tests/Apache.IoTDB.Tests/MtlsConfigurationTests.cs
@@ -41,6 +41,23 @@
         }
 
         [Test]
+        public void SessionPoolBuilder_AcceptsObsoleteCertificatePath()
+        {
+#pragma warning disable CS0618
+            var sessionPool = new SessionPool.Builder()
+                .SetHost("localhost")
+                .SetPort(6667)
+                .SetUseSsl(true)
+                .SetCertificatePath("/tmp/client.pfx")
+                .SetClientCertificatePassword("secret")
+                .SetRootCertificatePath("/tmp/root-ca.pem")
+                .Build();
+#pragma warning restore CS0618
+
+            Assert.That(sessionPool, Is.Not.Null);
+        }
+
+        [Test]
         public void TableSessionPoolBuilder_AcceptsClientCertificateConfiguration()
         {
             var tableSessionPool = new TableSessionPool.Builder()
@@ -56,6 +73,23 @@
         }
 
         [Test]
+        public void TableSessionPoolBuilder_AcceptsObsoleteCertificatePath()
+        {
+#pragma warning disable CS0618
+            var tableSessionPool = new TableSessionPool.Builder()
+                .SetHost("localhost")
+                .SetPort(6667)
+                .SetUseSsl(true)
+                .SetCertificatePath("/tmp/client.pfx")
+                .SetClientCertificatePassword("secret")
+                .SetRootCertificatePath("/tmp/root-ca.pem")
+                .Build();
+#pragma warning restore CS0618
+
+            Assert.That(tableSessionPool, Is.Not.Null);
+        }
+
+        [Test]
         public void ConnectionStringBuilder_ParsesMtlsConfiguration()
         {
             var builder = new IoTDBConnectionStringBuilder(