EMMessageBody.h

#import <Foundation/Foundation.h>
#import <CoreGraphics/CGGeometry.h>

typedef NS_ENUM(NSInteger, EMMessageBodyType) {
    EMMessageBodyTypeText   = 1,    
    EMMessageBodyTypeImage,         
    EMMessageBodyTypeVideo,         
    EMMessageBodyTypeLocation,      
    EMMessageBodyTypeVoice,         
    EMMessageBodyTypeFile,          
    EMMessageBodyTypeCmd,           
    EMMessageBodyTypeCustom,        
    EMMessageBodyTypeCombine,       
};

@interface EMMessageBody : NSObject

-(instancetype _Nonnull ) init NS_UNAVAILABLE;

@property (nonatomic, readonly) EMMessageBodyType type;
@property (nonatomic, assign,readonly) NSUInteger operationTime;
@property (nonatomic,nullable,readonly) NSString *operatorId;
@property (nonatomic, assign,readonly) NSUInteger operatorCount;

@end