/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2009 Sun Microsystems, Inc.
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* Portions Copyright 2014 ForgeRock AS
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*/
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package org.opends.server.schema;
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import java.util.Collection;
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import java.util.Collections;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.ByteSequence;
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import org.forgerock.opendj.ldap.ByteString;
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import org.opends.server.api.AbstractMatchingRule;
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import org.opends.server.api.OrderingMatchingRule;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.ResultCode;
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import org.opends.server.util.StaticUtils;
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import static org.opends.messages.SchemaMessages.*;
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import static org.opends.server.schema.SchemaConstants.*;
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import static org.opends.server.schema.StringPrepProfile.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This implements defines the numericStringOrderingMatch matching rule defined
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* in X.520 and referenced in RFC 2252.
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*/
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public class NumericStringOrderingMatchingRule
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extends AbstractMatchingRule
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implements OrderingMatchingRule
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/**
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* The serial version identifier required to satisfy the compiler because this
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* class implements the <CODE>java.io.Serializable</CODE> interface. This
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* value was generated using the <CODE>serialver</CODE> command-line utility
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* included with the Java SDK.
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*/
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private static final long serialVersionUID = 388436004219363604L;
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/**
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* Creates a new instance of this numericStringOrderingMatch matching rule.
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*/
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public NumericStringOrderingMatchingRule()
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{
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super();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public Collection<String> getNames()
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{
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return Collections.singleton(OMR_NUMERIC_STRING_NAME);
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}
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/**
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* Retrieves the OID for this matching rule.
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*
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* @return The OID for this matching rule.
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*/
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@Override
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public String getOID()
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{
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return OMR_NUMERIC_STRING_OID;
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}
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/**
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* Retrieves the description for this matching rule.
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*
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* @return The description for this matching rule, or <CODE>null</CODE> if
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* there is none.
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*/
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@Override
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public String getDescription()
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{
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// There is no standard description for this matching rule.
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return null;
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}
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/**
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* Retrieves the OID of the syntax with which this matching rule is
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* associated.
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*
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* @return The OID of the syntax with which this matching rule is associated.
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*/
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@Override
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public String getSyntaxOID()
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{
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return SYNTAX_NUMERIC_STRING_OID;
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}
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/**
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* Retrieves the normalized form of the provided value, which is best suited
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* for efficiently performing matching operations on that value.
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*
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* @param value The value to be normalized.
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*
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* @return The normalized version of the provided value.
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*
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* @throws DirectoryException If the provided value is invalid according to
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* the associated attribute syntax.
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*/
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@Override
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public ByteString normalizeValue(ByteSequence value)
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throws DirectoryException
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{
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StringBuilder buffer = new StringBuilder();
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prepareUnicode(buffer, value, TRIM, NO_CASE_FOLD);
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int bufferLength = buffer.length();
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boolean logged = false;
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for (int pos = bufferLength-1; pos > 0; pos--)
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{
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char c = buffer.charAt(pos);
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if (!isDigit(c))
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{
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if (c == ' ')
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{
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buffer.delete(pos, pos+1);
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}
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else
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{
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// This is an illegal character. Either log it or reject it.
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LocalizableMessage message = WARN_ATTR_SYNTAX_NUMERIC_STRING_ILLEGAL_CHAR.get(
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value, c, pos);
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switch (DirectoryServer.getSyntaxEnforcementPolicy())
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{
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case REJECT:
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throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
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message);
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case WARN:
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if (! logged)
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{
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logger.error(message);
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logged = true;
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}
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}
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}
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}
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}
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if(buffer.length() == 0)
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{
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return ByteString.empty();
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}
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return ByteString.valueOf(buffer.toString());
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}
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/**
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* Compares the first value to the second and returns a value that indicates
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* their relative order.
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*
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* @param value1 The normalized form of the first value to compare.
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* @param value2 The normalized form of the second value to compare.
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*
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* @return A negative integer if <CODE>value1</CODE> should come before
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* <CODE>value2</CODE> in ascending order, a positive integer if
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* <CODE>value1</CODE> should come after <CODE>value2</CODE> in
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* ascending order, or zero if there is no difference between the
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* values with regard to ordering.
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*/
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@Override
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public int compareValues(ByteSequence value1, ByteSequence value2)
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{
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return value1.compareTo(value2);
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}
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/**
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* Compares the contents of the provided byte arrays to determine their
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* relative order.
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*
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* @param b1 The first byte array to use in the comparison.
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* @param b2 The second byte array to use in the comparison.
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*
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* @return A negative integer if <CODE>b1</CODE> should come before
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* <CODE>b2</CODE> in ascending order, a positive integer if
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* <CODE>b1</CODE> should come after <CODE>b2</CODE> in ascending
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* order, or zero if there is no difference between the values with
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* regard to ordering.
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*/
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@Override
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public int compare(byte[] b1, byte[] b2)
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{
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return StaticUtils.compare(b1, b2);
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}
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}
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