code: package org.eclipse.milo.opcua.sdk.client.model.types.objects;
  
  import java.util.concurrent.CompletableFuture;
  
  import org.eclipse.milo.opcua.sdk.client.model.types.variables.PropertyType;
  import org.eclipse.milo.opcua.sdk.core.QualifiedProperty;
  import org.eclipse.milo.opcua.sdk.core.ValueRanks;
  import org.eclipse.milo.opcua.stack.core.UaException;
  import org.eclipse.milo.opcua.stack.core.types.builtin.ByteString;
  import org.eclipse.milo.opcua.stack.core.types.builtin.DateTime;
  import org.eclipse.milo.opcua.stack.core.types.builtin.ExpandedNodeId;
  import org.eclipse.milo.opcua.stack.core.types.builtin.NodeId;
  import org.eclipse.milo.opcua.stack.core.types.builtin.StatusCode;
  
  public interface CertificateExpirationAlarmType extends SystemOffNormalAlarmType {
      QualifiedProperty<DateTime> EXPIRATION_DATE = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "ExpirationDate",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=13"),
          ValueRanks.Scalar,
          DateTime.class
      );
  
      QualifiedProperty<Double> EXPIRATION_LIMIT = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "ExpirationLimit",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=290"),
          ValueRanks.Scalar,
          Double.class
      );
  
      QualifiedProperty<NodeId> CERTIFICATE_TYPE = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "CertificateType",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=17"),
          ValueRanks.Scalar,
          NodeId.class
      );
  
      QualifiedProperty<ByteString> CERTIFICATE = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "Certificate",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=15"),
          ValueRanks.Scalar,
          ByteString.class
      );
  
      /**
       * Get the local value of the ExpirationDate Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the ExpirationDate Node.
       * @throws UaException if an error occurs creating or getting the ExpirationDate Node.
       */
      DateTime getExpirationDate() throws UaException;
  
      /**
       * Set the local value of the ExpirationDate Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param expirationDate the local value to set for the ExpirationDate Node.
       * @throws UaException if an error occurs creating or getting the ExpirationDate Node.
       */
      void setExpirationDate(DateTime expirationDate) throws UaException;
  
      /**
       * Read the value of the ExpirationDate Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link DateTime} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      DateTime readExpirationDate() throws UaException;
  
      /**
       * Write a new value for the ExpirationDate Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param expirationDate the {@link DateTime} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeExpirationDate(DateTime expirationDate) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readExpirationDate()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends DateTime> readExpirationDateAsync();
  
      /**
       * An asynchronous implementation of {@link #writeExpirationDate(DateTime)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeExpirationDateAsync(DateTime expirationDate);
  
      /**
       * Get the ExpirationDate {@link PropertyType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the ExpirationDate {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getExpirationDateNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getExpirationDateNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends PropertyType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends PropertyType> getExpirationDateNodeAsync();
  
      /**
       * Get the local value of the ExpirationLimit Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the ExpirationLimit Node.
       * @throws UaException if an error occurs creating or getting the ExpirationLimit Node.
       */
      Double getExpirationLimit() throws UaException;
  
      /**
       * Set the local value of the ExpirationLimit Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param expirationLimit the local value to set for the ExpirationLimit Node.
       * @throws UaException if an error occurs creating or getting the ExpirationLimit Node.
       */
      void setExpirationLimit(Double expirationLimit) throws UaException;
  
      /**
       * Read the value of the ExpirationLimit Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link Double} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      Double readExpirationLimit() throws UaException;
  
      /**
       * Write a new value for the ExpirationLimit Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param expirationLimit the {@link Double} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeExpirationLimit(Double expirationLimit) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readExpirationLimit()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends Double> readExpirationLimitAsync();
  
      /**
       * An asynchronous implementation of {@link #writeExpirationLimit(Double)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeExpirationLimitAsync(Double expirationLimit);
  
      /**
       * Get the ExpirationLimit {@link PropertyType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the ExpirationLimit {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getExpirationLimitNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getExpirationLimitNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends PropertyType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends PropertyType> getExpirationLimitNodeAsync();
  
      /**
       * Get the local value of the CertificateType Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the CertificateType Node.
       * @throws UaException if an error occurs creating or getting the CertificateType Node.
       */
      NodeId getCertificateType() throws UaException;
  
      /**
       * Set the local value of the CertificateType Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param certificateType the local value to set for the CertificateType Node.
       * @throws UaException if an error occurs creating or getting the CertificateType Node.
       */
      void setCertificateType(NodeId certificateType) throws UaException;
  
      /**
       * Read the value of the CertificateType Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link NodeId} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      NodeId readCertificateType() throws UaException;
  
      /**
       * Write a new value for the CertificateType Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param certificateType the {@link NodeId} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeCertificateType(NodeId certificateType) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readCertificateType()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends NodeId> readCertificateTypeAsync();
  
      /**
       * An asynchronous implementation of {@link #writeCertificateType(NodeId)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeCertificateTypeAsync(NodeId certificateType);
  
      /**
       * Get the CertificateType {@link PropertyType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the CertificateType {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getCertificateTypeNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getCertificateTypeNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends PropertyType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends PropertyType> getCertificateTypeNodeAsync();
  
      /**
       * Get the local value of the Certificate Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the Certificate Node.
       * @throws UaException if an error occurs creating or getting the Certificate Node.
       */
      ByteString getCertificate() throws UaException;
  
      /**
       * Set the local value of the Certificate Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param certificate the local value to set for the Certificate Node.
       * @throws UaException if an error occurs creating or getting the Certificate Node.
       */
      void setCertificate(ByteString certificate) throws UaException;
  
      /**
       * Read the value of the Certificate Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link ByteString} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      ByteString readCertificate() throws UaException;
  
      /**
       * Write a new value for the Certificate Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param certificate the {@link ByteString} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeCertificate(ByteString certificate) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readCertificate()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends ByteString> readCertificateAsync();
  
      /**
       * An asynchronous implementation of {@link #writeCertificate(ByteString)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeCertificateAsync(ByteString certificate);
  
      /**
       * Get the Certificate {@link PropertyType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the Certificate {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getCertificateNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getCertificateNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends PropertyType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends PropertyType> getCertificateNodeAsync();
  }
  