System/Library/PrivateFrameworks/MetricKitSource.framework
MXSourceXPCPayload.h
@class NSDictionary, NSDate;
@interface MXSourceXPCPayload : NSObject <NSSecureCoding>
@property (class, readonly) BOOL supportsSecureCoding;
@property long long sourceID;
@property (retain) NSDate *datestamp;
@property (retain) NSDictionary *metrics;
- (void)encodeWithCoder:(id)a0;
- (void).cxx_destruct;
- (id)initWithCoder:(id)a0;
- (id)initWithSourceID:(long long)a0 withDateStamp:(id)a1 andMetrics:(id)a2;
@end