@class NSString, NSData, NSNumber; @interface OSLogMessageComponent : NSObject <NSSecureCoding> @property (class, readonly) BOOL supportsSecureCoding; @property (copy, nonatomic) NSString *formatSubstring; @property (copy, nonatomic) NSString *placeholder; @property (copy, nonatomic) NSData *argumentDataValue; @property (copy, nonatomic) NSNumber *argumentNumberValue; @property (copy, nonatomic) NSString *argumentStringValue; @property (readonly, nonatomic) long long argumentCategory; @property (readonly, nonatomic) double argumentDoubleValue; @property (readonly, nonatomic) long long argumentInt64Value; @property (readonly, nonatomic) unsigned long long argumentUInt64Value; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; - (void)fillWithScalar:(id)a0; - (void)fillWithString:(id)a0; - (void)fillWithData:(id)a0; - (id)initWithDecomposedMessage:(id)a0 atIndex:(unsigned long long)a1; @end