@interface _WKWebExtensionUtilities : NSObject + (BOOL)validateContentsOfDictionary:(id)a0 requiredKeys:(id)a1 optionalKeys:(id)a2 keyToExpectedValueType:(id)a3 outExceptionString:(id *)a4; @end
@interface _WKWebExtensionUtilities : NSObject + (BOOL)validateContentsOfDictionary:(id)a0 requiredKeys:(id)a1 optionalKeys:(id)a2 keyToExpectedValueType:(id)a3 outExceptionString:(id *)a4; @end