@class NSDictionary, NSObject; @protocol OS_os_log; @interface ConfigurationParams : NSObject @property (retain, nonatomic) NSDictionary *underlyingDictionary; @property (retain, nonatomic) NSObject<OS_os_log> *logHandle; - (id)init; - (void).cxx_destruct; - (id)objectForKey:(id)a0; - (id)extractStringFromKey:(id)a0 defaultTo:(id)a1; - (int)extractKey:(id)a0 toBOOL:(BOOL *)a1 defaultTo:(BOOL)a2; - (int)extractKey:(id)a0 toBool:(BOOL *)a1 defaultTo:(BOOL)a2; - (int)extractKey:(id)a0 toDouble:(double *)a1 defaultTo:(double)a2; - (int)extractKey:(id)a0 toNSUInteger:(unsigned long long *)a1 defaultTo:(unsigned long long)a2; - (int)extractKey:(id)a0 toUint32:(unsigned int *)a1 defaultTo:(unsigned int)a2; - (int)extractKey:(id)a0 toUint64:(unsigned long long *)a1 defaultTo:(unsigned long long)a2; @end