final Declaration dec = col.getDeclaration();
final InternalReadAccessor ext = dec.getExtractor();
assertEquals( Fact.class,
ext.getExtractToClass() );
final Fact stilton = cheese.createFact( 10 );
stilton.setFieldValue( "name",
"stilton" );
stilton.setFieldValue( "price",
new Integer( 200 ) );
assertEquals( stilton,
dec.getValue( null, stilton ) );
}