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.TwoStateVariableType;
  import org.eclipse.milo.opcua.stack.core.UaException;
  import org.eclipse.milo.opcua.stack.core.types.builtin.LocalizedText;
  import org.eclipse.milo.opcua.stack.core.types.builtin.StatusCode;
  
  public interface ExclusiveLimitAlarmType extends LimitAlarmType {
      /**
       * Get the local value of the ActiveState Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the ActiveState Node.
       * @throws UaException if an error occurs creating or getting the ActiveState Node.
       */
      LocalizedText getActiveState() throws UaException;
  
      /**
       * Set the local value of the ActiveState Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param activeState the local value to set for the ActiveState Node.
       * @throws UaException if an error occurs creating or getting the ActiveState Node.
       */
      void setActiveState(LocalizedText activeState) throws UaException;
  
      /**
       * Read the value of the ActiveState 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 readActiveState() throws UaException;
  
      /**
       * Write a new value for the ActiveState Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param activeState the {@link LocalizedText} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeActiveState(LocalizedText activeState) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readActiveState()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends LocalizedText> readActiveStateAsync();
  
      /**
       * An asynchronous implementation of {@link #writeActiveState(LocalizedText)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeActiveStateAsync(LocalizedText activeState);
  
      /**
       * Get the ActiveState {@link TwoStateVariableType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the ActiveState {@link TwoStateVariableType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      TwoStateVariableType getActiveStateNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getActiveStateNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ? extends TwoStateVariableType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends TwoStateVariableType> getActiveStateNodeAsync();
  
      /**
       * Get the LimitState {@link ExclusiveLimitStateMachineType} Node, or {@code null} if it does not exist.
       * <p>
       * The Node is created when first accessed and cached for subsequent calls.
       *
       * @return the LimitState {@link ExclusiveLimitStateMachineType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      ExclusiveLimitStateMachineType getLimitStateNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getLimitStateNode()}.
       *
       * @return a CompletableFuture that completes successfully with the
       * ExclusiveLimitStateMachineType Node or completes exceptionally if an error occurs
       * creating or getting the Node.
       */
      CompletableFuture<? extends ExclusiveLimitStateMachineType> getLimitStateNodeAsync();
  }
  