Doxygen: Hide friend declarations in dox.

Author: pan-

doxyfile_options

@@ -491,7 +491,7 @@ HIDE_UNDOC_CLASSES     = YES
 # included in the documentation.
 # The default value is: NO.
 
-HIDE_FRIEND_COMPOUNDS  = NO
+HIDE_FRIEND_COMPOUNDS  = YES
 
 # If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any
 # documentation blocks found inside the body of a function. If set to NO, these

doxygen_options.json

@@ -27,6 +27,7 @@
     "HIDE_SCOPE_NAMES": "YES",
     "HIDE_UNDOC_CLASSES": "YES",
     "HIDE_UNDOC_MEMBERS": "YES",
+    "HIDE_FRIEND_COMPOUNDS": "YES",
     "INLINE_INFO": "NO",
     "INLINE_INHERITED_MEMB": "YES",
     "JAVADOC_AUTOBRIEF": "YES",