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Clean header dependencies of condition.hxx - introduce a new header, propsfwd.hxx...
[simgear.git] / simgear / props / propsfwd.hxx
1 /**
2  * \file propsfwwd.hxx
3  * Forward declarations for properties (and related structures)
4  */
5  
6 #ifndef SG_PROPS_FWD_HXX
7 #define SG_PROPS_FWD_HXX
8
9 #include <simgear/structure/SGSharedPtr.hxx>
10
11 class SGPropertyNode;
12  
13 typedef SGSharedPtr<SGPropertyNode> SGPropertyNode_ptr;
14 typedef SGSharedPtr<const SGPropertyNode> SGConstPropertyNode_ptr;
15  
16 class SGCondition; 
17
18 #endif // of SG_PROPS_FWD_HXX