code: package org.eclipse.milo.opcua.sdk.client.model.types.variables;
  
  import java.util.concurrent.CompletableFuture;
  
  import org.eclipse.milo.opcua.stack.core.UaException;
  import org.eclipse.milo.opcua.stack.core.types.builtin.DateTime;
  import org.eclipse.milo.opcua.stack.core.types.builtin.LocalizedText;
  import org.eclipse.milo.opcua.stack.core.types.builtin.StatusCode;
  import org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger;
  import org.eclipse.milo.opcua.stack.core.types.enumerated.ServerState;
  import org.eclipse.milo.opcua.stack.core.types.structured.BuildInfo;
  
  public interface ServerStatusType extends BaseDataVariableType {
      /**
       * Get the local value of the StartTime Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the StartTime Node.
       * @throws UaException if an error occurs creating or getting the StartTime Node.
       */
      DateTime getStartTime() throws UaException;
  
      /**
       * Set the local value of the StartTime Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param startTime the local value to set for the StartTime Node.
       * @throws UaException if an error occurs creating or getting the StartTime Node.
       */
      void setStartTime(DateTime startTime) throws UaException;
  
      /**
       * Read the value of the StartTime 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 readStartTime() throws UaException;
  
      /**
       * Write a new value for the StartTime Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param startTime the {@link DateTime} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeStartTime(DateTime startTime) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readStartTime()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends DateTime> readStartTimeAsync();
  
      /**
       * An asynchronous implementation of {@link #writeStartTime(DateTime)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeStartTimeAsync(DateTime startTime);
  
      /**
       * Get the StartTime {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the StartTime {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      BaseDataVariableType getStartTimeNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getStartTimeNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends BaseDataVariableType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends BaseDataVariableType> getStartTimeNodeAsync();
  
      /**
       * Get the local value of the CurrentTime Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the CurrentTime Node.
       * @throws UaException if an error occurs creating or getting the CurrentTime Node.
       */
      DateTime getCurrentTime() throws UaException;
  
      /**
       * Set the local value of the CurrentTime Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param currentTime the local value to set for the CurrentTime Node.
       * @throws UaException if an error occurs creating or getting the CurrentTime Node.
       */
      void setCurrentTime(DateTime currentTime) throws UaException;
  
      /**
       * Read the value of the CurrentTime 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 readCurrentTime() throws UaException;
  
      /**
       * Write a new value for the CurrentTime Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param currentTime the {@link DateTime} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeCurrentTime(DateTime currentTime) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readCurrentTime()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends DateTime> readCurrentTimeAsync();
  
      /**
       * An asynchronous implementation of {@link #writeCurrentTime(DateTime)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeCurrentTimeAsync(DateTime currentTime);
  
      /**
       * Get the CurrentTime {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the CurrentTime {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      BaseDataVariableType getCurrentTimeNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getCurrentTimeNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends BaseDataVariableType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends BaseDataVariableType> getCurrentTimeNodeAsync();
  
      /**
       * Get the local value of the State Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the State Node.
       * @throws UaException if an error occurs creating or getting the State Node.
       */
      ServerState getState() throws UaException;
  
      /**
       * Set the local value of the State Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param state the local value to set for the State Node.
       * @throws UaException if an error occurs creating or getting the State Node.
       */
      void setState(ServerState state) throws UaException;
  
      /**
       * Read the value of the State Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link ServerState} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      ServerState readState() throws UaException;
  
      /**
       * Write a new value for the State Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param state the {@link ServerState} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeState(ServerState state) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readState()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends ServerState> readStateAsync();
  
      /**
       * An asynchronous implementation of {@link #writeState(ServerState)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeStateAsync(ServerState state);
  
      /**
       * Get the State {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the State {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      BaseDataVariableType getStateNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getStateNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends BaseDataVariableType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends BaseDataVariableType> getStateNodeAsync();
  
      /**
       * Get the local value of the BuildInfo Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the BuildInfo Node.
       * @throws UaException if an error occurs creating or getting the BuildInfo Node.
       */
      BuildInfo getBuildInfo() throws UaException;
  
      /**
       * Set the local value of the BuildInfo Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param buildInfo the local value to set for the BuildInfo Node.
       * @throws UaException if an error occurs creating or getting the BuildInfo Node.
       */
      void setBuildInfo(BuildInfo buildInfo) throws UaException;
  
      /**
       * Read the value of the BuildInfo Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link BuildInfo} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      BuildInfo readBuildInfo() throws UaException;
  
      /**
       * Write a new value for the BuildInfo Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param buildInfo the {@link BuildInfo} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeBuildInfo(BuildInfo buildInfo) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readBuildInfo()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends BuildInfo> readBuildInfoAsync();
  
      /**
       * An asynchronous implementation of {@link #writeBuildInfo(BuildInfo)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeBuildInfoAsync(BuildInfo buildInfo);
  
      /**
       * Get the BuildInfo {@link BuildInfoType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the BuildInfo {@link BuildInfoType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      BuildInfoType getBuildInfoNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getBuildInfoNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends BuildInfoType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends BuildInfoType> getBuildInfoNodeAsync();
  
      /**
       * Get the local value of the SecondsTillShutdown Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the SecondsTillShutdown Node.
       * @throws UaException if an error occurs creating or getting the SecondsTillShutdown Node.
       */
      UInteger getSecondsTillShutdown() throws UaException;
  
      /**
       * Set the local value of the SecondsTillShutdown Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param secondsTillShutdown the local value to set for the SecondsTillShutdown Node.
       * @throws UaException if an error occurs creating or getting the SecondsTillShutdown Node.
       */
      void setSecondsTillShutdown(UInteger secondsTillShutdown) throws UaException;
  
      /**
       * Read the value of the SecondsTillShutdown Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link UInteger} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      UInteger readSecondsTillShutdown() throws UaException;
  
      /**
       * Write a new value for the SecondsTillShutdown Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param secondsTillShutdown the {@link UInteger} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeSecondsTillShutdown(UInteger secondsTillShutdown) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readSecondsTillShutdown()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends UInteger> readSecondsTillShutdownAsync();
  
      /**
       * An asynchronous implementation of {@link #writeSecondsTillShutdown(UInteger)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeSecondsTillShutdownAsync(UInteger secondsTillShutdown);
  
      /**
       * Get the SecondsTillShutdown {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the SecondsTillShutdown {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      BaseDataVariableType getSecondsTillShutdownNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getSecondsTillShutdownNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends BaseDataVariableType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends BaseDataVariableType> getSecondsTillShutdownNodeAsync();
  
      /**
       * Get the local value of the ShutdownReason Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the ShutdownReason Node.
       * @throws UaException if an error occurs creating or getting the ShutdownReason Node.
       */
      LocalizedText getShutdownReason() throws UaException;
  
      /**
       * Set the local value of the ShutdownReason Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param shutdownReason the local value to set for the ShutdownReason Node.
       * @throws UaException if an error occurs creating or getting the ShutdownReason Node.
       */
      void setShutdownReason(LocalizedText shutdownReason) throws UaException;
  
      /**
       * Read the value of the ShutdownReason Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link LocalizedText} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      LocalizedText readShutdownReason() throws UaException;
  
      /**
       * Write a new value for the ShutdownReason Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param shutdownReason the {@link LocalizedText} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeShutdownReason(LocalizedText shutdownReason) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readShutdownReason()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends LocalizedText> readShutdownReasonAsync();
  
      /**
       * An asynchronous implementation of {@link #writeShutdownReason(LocalizedText)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeShutdownReasonAsync(LocalizedText shutdownReason);
  
      /**
       * Get the ShutdownReason {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the ShutdownReason {@link BaseDataVariableType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      BaseDataVariableType getShutdownReasonNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getShutdownReasonNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends BaseDataVariableType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends BaseDataVariableType> getShutdownReasonNodeAsync();
  }
  