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[=hasSortKey=] relates an [=IdentifiedElement=] to zero or one string-valued keys that may be used to establish its order in a sorted collection. Context-specific sort keys should specialize [=hasSortKey=]. |
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[=hasSortKey=] relates an [=IdentifiedElement=] to zero or one string-valued keys that may be used to establish its order in a sorted collection. Context-specific sort keys should specialize [=hasSortKey=]. |
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has sort key |