[TDF] Coding conventions, introduce shorter alias to ease doxy doc creation
[TDF] Coding conventions, introduce shorter alias to ease doxy doc creation

if the return type name is too long, the method name and input parameter together
with its documentation is squeezed to the right.

olifre/root,karies/root,olifre/root,karies/root,karies/root,olifre/root,olifre/root,karies/root,root-mirror/root,karies/root,karies/root,root-mirror/root,olifre/root,karies/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,karies/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,root-mirror/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,olifre/root,karies/root