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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [javax/] [swing/] [event/] [TableModelEvent.java] - Blame information for rev 772

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1 772 jeremybenn
/* TableModelEvent.java --
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   Copyright (C) 2002, 2004, 2005  Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.event;
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import java.util.EventObject;
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import javax.swing.table.TableModel;
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/**
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 * An event that describes changes to a {@link TableModel}.
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 *
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 * @see javax.swing.event.TableModelListener
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 *
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 * @author Andrew Selkirk
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 */
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public class TableModelEvent extends EventObject
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{
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  private static final long serialVersionUID = -7849342674552212824L;
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  /** A column index representing all columns. */
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  public static final int ALL_COLUMNS = -1;
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  /**
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   * An event type indicating that one or more rows have been deleted from the
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   * model.
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   */
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  public static final int DELETE = -1;
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  /** A row index representing the header row. */
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  public static final int HEADER_ROW = -1;
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  /**
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   * An event type indicating that one or more rows have been inserted into the
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   * model.
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   */
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  public static final int INSERT = 1;
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  /** An event type indicating that data has been updated in the model. */
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  public static final int UPDATE = 0;
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  /** The column in the table model that the event relates to. */
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  protected int column = 0;
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  /** The first row in the table model that the event relates to. */
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  protected int firstRow = 0;
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  /** The last row in the table model that the event relates to. */
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  protected int lastRow = 0;
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  /**
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   * The event type (one of {@link #UPDATE}, {@link #INSERT}, {@link #DELETE}).
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   */
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  protected int type = 0;
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  /**
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   * Creates a new <code>TableModelEvent</code> indicating an {@link #UPDATE}
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   * to the data in all columns and rows.
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   *
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   * @param source  the source object (<code>null</code> not permitted).
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   *
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   * @throws IllegalArgumentException if <code>source</code> is
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   *         <code>null</code>.
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   */
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  public TableModelEvent(TableModel source)
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  {
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    this(source, 0, Integer.MAX_VALUE, ALL_COLUMNS, UPDATE);
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  }
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  /**
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   * Creates a new <code>TableModelEvent</code> indicating an {@link #UPDATE}
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   * to the data in a single row across all columns.
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   *
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   * @param source  the source object (<code>null</code> not permitted).
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   * @param row  the updated row.
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   *
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   * @throws IllegalArgumentException if <code>source</code> is
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   *         <code>null</code>.
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   */
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  public TableModelEvent(TableModel source, int row)
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  {
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    this(source, row, row, ALL_COLUMNS, UPDATE);
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  }
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  /**
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   * Creates a new <code>TableModelEvent</code> indicating an {@link #UPDATE}
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   * to the data in the specified rows across all columns.
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   *
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   * @param source  the source object (<code>null</code> not permitted).
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   * @param firstRow  the first row of update.
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   * @param lastRow  the last row of update.
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   *
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   * @throws IllegalArgumentException if <code>source</code> is
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   *         <code>null</code>.
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   */
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  public TableModelEvent(TableModel source, int firstRow, int lastRow)
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  {
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    this(source, firstRow, lastRow, ALL_COLUMNS, UPDATE);
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  }
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  /**
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   * Creates a new <code>TableModelEvent</code> indicating an {@link #UPDATE}
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   * to the data in the specified rows and column.  Use {@link #ALL_COLUMNS}
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   * for the <code>column</code> argument to indicate all columns.
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   *
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   * @param source  the source object (<code>null</code> not permitted).
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   * @param firstRow  the first row of update.
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   * @param lastRow  the last row of update.
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   * @param column  the affected column.
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   *
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   * @throws IllegalArgumentException if <code>source</code> is
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   *         <code>null</code>.
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   */
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  public TableModelEvent(TableModel source, int firstRow, int lastRow,
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                         int column)
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  {
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    this(source, firstRow, lastRow, column, UPDATE);
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  }
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  /**
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   * Creates a new <code>TableModelEvent</code> indicating an operation of
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   * the specified <code>type</code> on the data in the specified rows and
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   * column.  The event type is usually one of {@link #UPDATE}, {@link #INSERT},
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   * and {@link #DELETE}.
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   *
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   * @param source  the source object (<code>null</code> not permitted).
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   * @param firstRow  the first row of update.
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   * @param lastRow  the last row of update.
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   * @param column  the affected column.
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   * @param type  the type of change.
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   *
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   * @throws IllegalArgumentException if <code>source</code> is
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   *         <code>null</code>.
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   */
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  public TableModelEvent(TableModel source, int firstRow, int lastRow,
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                         int column, int type)
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  {
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    super(source);
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    this.firstRow = firstRow;
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    this.lastRow = lastRow;
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    this.column = column;
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    this.type = type;
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  }
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  /**
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   * Returns the affected column of this event.
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   *
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   * @return The column index.
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   */
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  public int getColumn()
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  {
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    return column;
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  }
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  /**
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   * Returns the first affected row of this event.
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   *
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   * @return The row index.
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   */
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  public int getFirstRow()
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  {
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    return firstRow;
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  }
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  /**
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   * Returns the last affected row of this event.
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   *
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   * @return The row index.
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   */
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  public int getLastRow()
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  {
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    return lastRow;
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  }
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  /**
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   * Returns the type of change indicated by this event (usually one of
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   * {@link #UPDATE}, {@link #INSERT}, {@link #DELETE}).
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   *
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   * @return The type.
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   */
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  public int getType()
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  {
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    return type;
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  }
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}

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