 /// type.  Returns `.None` if the object does not conform to the protocol.
 ///
 /// Limitation: `DestType` should be a protocol defined in the `Swift` module.
-@asmname("swift_stdlib_dynamicCastToExistential1")public
-func _stdlib_dynamicCastToExistential1<SourceType, DestType>(
+@asmname("swift_stdlib_dynamicCastToExistential1")
+public func _stdlib_dynamicCastToExistential1<SourceType, DestType>(
     value: SourceType, _: DestType.Type
 ) -> DestType?
 

/// type.  Traps if the object does not conform to the protocol.
///
/// Limitation: `DestType` should be a protocol defined in the `Swift` module.
@asmname("swift_stdlib_dynamicCastToExistential1Unconditional")public
func _stdlib_dynamicCastToExistential1Unconditional<SourceType, DestType>(
    value: SourceType, _: DestType.Type
) -> DestType


/// protocol.
///
/// Limitation: `DestType` should be a protocol defined in the `Swift` module.
@asmname("swift_stdlib_conformsToProtocol")
public func _stdlib_conformsToProtocol<SourceType, DestType>(
    value: SourceType, _: DestType.Type
) -> Bool

