text: /*
                         * This header is generated by classdump-dyld 1.5
                         * on Friday, April 30, 2021 at 11:37:20 AM Mountain Standard Time
                         * Operating System: Version 13.5.1 (Build 17F80)
                         * Image Source: /System/Library/PrivateFrameworks/MIME.framework/MIME
                         * classdump-dyld is licensed under GPLv3, Copyright © 2013-2016 by Elias Limneos. Updated by Kevin Bradley.
                         */
  
  #import <MIME/MFMessageHeaders.h>
  #import <libobjc.A.dylib/ECMutableMessageHeaders.h>
  
  @class NSMutableDictionary, NSMutableArray, NSString;
  
  @interface MFMutableMessageHeaders : MFMessageHeaders <ECMutableMessageHeaders> {
  
  	NSMutableDictionary* _headersAdded;
  	NSMutableArray* _headersRemoved;
  
  }
  
  @property (readonly) unsigned long long hash; 
  @property (readonly) Class superclass; 
  @property (copy,readonly) NSString * description; 
  @property (copy,readonly) NSString * debugDescription; 
  -(NSString *)description;
  -(id)mutableCopy;
  -(id)headersDictionary;
  -(void)setReferences:(id)arg1 ;
  -(void)stripInternalHeaders;
  -(void)removeHeaderForKey:(id)arg1 ;
  -(id)firstHeaderForKey:(id)arg1 ;
  -(void)setHeader:(id)arg1 forKey:(id)arg2 ;
  -(BOOL)hasHeaderForKey:(id)arg1 ;
  -(id)encodedHeaders;
  -(void)setAddressListForSender:(id)arg1 ;
  -(void)setAddressListForTo:(id)arg1 ;
  -(void)setAddressListForCc:(id)arg1 ;
  -(void)setAddressListForBcc:(id)arg1 ;
  -(id)allHeaderKeys;
  -(id)_copyHeaderValueForKey:(id)arg1 offset:(unsigned long long*)arg2 decoded:(BOOL)arg3 ;
  -(id)_copyHeaderValueForKey:(id)arg1 ;
  -(id)_headerValueForKey:(id)arg1 ;
  -(void)_appendHeaderKey:(id)arg1 value:(id)arg2 toData:(id)arg3 ;
  -(void)_appendAddedHeaderKey:(id)arg1 value:(id)arg2 toData:(id)arg3 ;
  -(void)setAddressList:(id)arg1 forKey:(id)arg2 ;
  -(void)mergeHeaders:(id)arg1 ;
  -(void)setAddressListForReplyTo:(id)arg1 ;
  @end
  
  