MMKSearchFuelMetadata

@interface MMKSearchFuelMetadata : NSObject <MMKBaseMetadata>

+ (nonnull MMKSearchFuelMetadata *)fuelMetadataWithTimestamp:(nullable NSNumber *)timestamp
                                                       fuels:(nonnull NSArray<MMKSearchFuelType *> *)fuels
                                                 attribution:(nullable MMKAttribution *)attribution;

@property (nonatomic, readonly, nullable) NSNumber *timestamp;
Snippet update time as UNIX timestamp

@property (nonatomic, readonly, nonnull) NSArray<MMKSearchFuelType *> *fuels;
Fuel list

@property (nonatomic, readonly, nullable) MMKAttribution *attribution;
Attribution information

+ (nonnull MMKSearchFuelMetadata *)fuelMetadataWithTimestamp:(nullable NSNumber *)timestamp
                                                       fuels:(nonnull NSArray<MMKSearchFuelType *> *)fuels
                                                 attribution:(nullable MMKAttribution *)attribution;

@property (nonatomic, readonly, nullable) NSNumber *timestamp;

@property (nonatomic, readonly, nonnull) NSArray<MMKSearchFuelType *> *fuels;

@property (nonatomic, readonly, nullable) MMKAttribution *attribution;