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.ExpandedNodeId;
  import org.eclipse.milo.opcua.stack.core.types.builtin.StatusCode;
  import org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.ULong;
  import org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UShort;
  
  public interface FileType extends BaseObjectType {
      QualifiedProperty<ULong> SIZE = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "Size",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=9"),
          ValueRanks.Scalar,
          ULong.class
      );
  
      QualifiedProperty<Boolean> WRITABLE = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "Writable",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=1"),
          ValueRanks.Scalar,
          Boolean.class
      );
  
      QualifiedProperty<Boolean> USER_WRITABLE = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "UserWritable",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=1"),
          ValueRanks.Scalar,
          Boolean.class
      );
  
      QualifiedProperty<UShort> OPEN_COUNT = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "OpenCount",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=5"),
          ValueRanks.Scalar,
          UShort.class
      );
  
      QualifiedProperty<String> MIME_TYPE = new QualifiedProperty<>(
          "http://opcfoundation.org/UA/",
          "MimeType",
          ExpandedNodeId.parse("nsu=http://opcfoundation.org/UA/;i=12"),
          ValueRanks.Scalar,
          String.class
      );
  
      /**
       * Get the local value of the Size Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the Size Node.
       * @throws UaException if an error occurs creating or getting the Size Node.
       */
      ULong getSize() throws UaException;
  
      /**
       * Set the local value of the Size Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param size the local value to set for the Size Node.
       * @throws UaException if an error occurs creating or getting the Size Node.
       */
      void setSize(ULong size) throws UaException;
  
      /**
       * Read the value of the Size Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link ULong} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      ULong readSize() throws UaException;
  
      /**
       * Write a new value for the Size Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param size the {@link ULong} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeSize(ULong size) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readSize()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends ULong> readSizeAsync();
  
      /**
       * An asynchronous implementation of {@link #writeSize(ULong)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeSizeAsync(ULong size);
  
      /**
       * Get the Size {@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 Size {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getSizeNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getSizeNode()}.
       *
       * @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> getSizeNodeAsync();
  
      /**
       * Get the local value of the Writable Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the Writable Node.
       * @throws UaException if an error occurs creating or getting the Writable Node.
       */
      Boolean getWritable() throws UaException;
  
      /**
       * Set the local value of the Writable Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param writable the local value to set for the Writable Node.
       * @throws UaException if an error occurs creating or getting the Writable Node.
       */
      void setWritable(Boolean writable) throws UaException;
  
      /**
       * Read the value of the Writable Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link Boolean} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      Boolean readWritable() throws UaException;
  
      /**
       * Write a new value for the Writable Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param writable the {@link Boolean} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeWritable(Boolean writable) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readWritable()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends Boolean> readWritableAsync();
  
      /**
       * An asynchronous implementation of {@link #writeWritable(Boolean)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeWritableAsync(Boolean writable);
  
      /**
       * Get the Writable {@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 Writable {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getWritableNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getWritableNode()}.
       *
       * @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> getWritableNodeAsync();
  
      /**
       * Get the local value of the UserWritable Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the UserWritable Node.
       * @throws UaException if an error occurs creating or getting the UserWritable Node.
       */
      Boolean getUserWritable() throws UaException;
  
      /**
       * Set the local value of the UserWritable Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param userWritable the local value to set for the UserWritable Node.
       * @throws UaException if an error occurs creating or getting the UserWritable Node.
       */
      void setUserWritable(Boolean userWritable) throws UaException;
  
      /**
       * Read the value of the UserWritable Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link Boolean} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      Boolean readUserWritable() throws UaException;
  
      /**
       * Write a new value for the UserWritable Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param userWritable the {@link Boolean} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeUserWritable(Boolean userWritable) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readUserWritable()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends Boolean> readUserWritableAsync();
  
      /**
       * An asynchronous implementation of {@link #writeUserWritable(Boolean)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeUserWritableAsync(Boolean userWritable);
  
      /**
       * Get the UserWritable {@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 UserWritable {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getUserWritableNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getUserWritableNode()}.
       *
       * @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> getUserWritableNodeAsync();
  
      /**
       * Get the local value of the OpenCount Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the OpenCount Node.
       * @throws UaException if an error occurs creating or getting the OpenCount Node.
       */
      UShort getOpenCount() throws UaException;
  
      /**
       * Set the local value of the OpenCount Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param openCount the local value to set for the OpenCount Node.
       * @throws UaException if an error occurs creating or getting the OpenCount Node.
       */
      void setOpenCount(UShort openCount) throws UaException;
  
      /**
       * Read the value of the OpenCount Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link UShort} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      UShort readOpenCount() throws UaException;
  
      /**
       * Write a new value for the OpenCount Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param openCount the {@link UShort} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeOpenCount(UShort openCount) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readOpenCount()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends UShort> readOpenCountAsync();
  
      /**
       * An asynchronous implementation of {@link #writeOpenCount(UShort)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeOpenCountAsync(UShort openCount);
  
      /**
       * Get the OpenCount {@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 OpenCount {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getOpenCountNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getOpenCountNode()}.
       *
       * @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> getOpenCountNodeAsync();
  
      /**
       * Get the local value of the MimeType Node.
       * <p>
       * The returned value is the last seen; it is not read live from the server.
       *
       * @return the local value of the MimeType Node.
       * @throws UaException if an error occurs creating or getting the MimeType Node.
       */
      String getMimeType() throws UaException;
  
      /**
       * Set the local value of the MimeType Node.
       * <p>
       * The value is only updated locally; it is not written to the server.
       *
       * @param mimeType the local value to set for the MimeType Node.
       * @throws UaException if an error occurs creating or getting the MimeType Node.
       */
      void setMimeType(String mimeType) throws UaException;
  
      /**
       * Read the value of the MimeType Node from the server and update the local value if the
       * operation succeeds.
       *
       * @return the {@link String} value read from the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      String readMimeType() throws UaException;
  
      /**
       * Write a new value for the MimeType Node to the server and update the local value if
       * the operation succeeds.
       *
       * @param mimeType the {@link String} value to write to the server.
       * @throws UaException if a service- or operation-level error occurs.
       */
      void writeMimeType(String mimeType) throws UaException;
  
      /**
       * An asynchronous implementation of {@link #readMimeType()}.
       *
       * @return a CompletableFuture that completes successfully with the property value or completes
       * exceptionally if an operation- or service-level error occurs.
       */
      CompletableFuture<? extends String> readMimeTypeAsync();
  
      /**
       * An asynchronous implementation of {@link #writeMimeType(String)}.
       *
       * @return a CompletableFuture that completes successfully with the operation result or
       * completes exceptionally if a service-level error occurs.
       */
      CompletableFuture<StatusCode> writeMimeTypeAsync(String mimeType);
  
      /**
       * Get the MimeType {@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 MimeType {@link PropertyType} Node, or {@code null} if it does not exist.
       * @throws UaException if an error occurs creating or getting the Node.
       */
      PropertyType getMimeTypeNode() throws UaException;
  
      /**
       * Asynchronous implementation of {@link #getMimeTypeNode()}.
       *
       * @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> getMimeTypeNodeAsync();
  }
  