The full set of WAC acl:mode predicates a grant of this mode must write. WAC has no mode subsumption — acl:Write does not grant acl:Read — so a UI capability that's meant to include reading has to assert acl:Read explicitly:
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)