| Index: lib/src/db/model_db.dart
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| diff --git a/lib/src/db/model_db.dart b/lib/src/db/model_db.dart
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| index 0c18e39a294fce709c68ab333b3bdf602efa7ef4..efda613de43d74f8fb65e2a0dce5ce494ab2dd65 100644
 | 
| --- a/lib/src/db/model_db.dart
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| +++ b/lib/src/db/model_db.dart
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| @@ -44,5 +44,6 @@ abstract class ModelDB {
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|    /**
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|     * Converts [value] according to the [Property] named [fieldName] in [kind].
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|     */
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| -  Object toDatastoreValue(String kind, String fieldName, Object value);
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| +  Object toDatastoreValue(String kind, String fieldName, Object value,
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| +      {bool forComparison: false});
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|  }
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| 
 |