Closed set of operator prefixes that distinguish a Criteria constraint key from a plain
binding identifier: the comparison, search, matching, focus, and ordering symbols prefix an
Expression naming the constrained value, while @ and # stand alone as the pagination keys.
Constraint operator symbols.
Closed set of operator prefixes that distinguish a Criteria constraint key from a plain binding identifier: the comparison, search, matching, focus, and ordering symbols prefix an Expression naming the constrained value, while
@and#stand alone as the pagination keys.