This declaration is gated by at least one @_spi attribute.
case startOfLine
s17_StringProcessing7DSLTreeV4AtomO9AssertionO11startOfLineyA2GmF
3CNH0
import _StringProcessing
enum Assertion
struct DSLTree
enum Atom
case caretAnchor
case dollarAnchor
case endOfLine
case endOfSubject
case endOfSubjectBeforeNewline
case firstMatchingPositionInSubject
case notTextSegment
case notWordBoundary
case resetStartOfMatch
case startOfSubject
case textSegment
case wordBoundary