Revert "Removed body declarations"
Revert "Removed body declarations"

This reverts commit bcc1abed9df484d31502ca095b89862f068f2db2.

Factlink/factlink-core,daukantas/factlink-core,Factlink/factlink-core,daukantas/factlink-core,daukantas/factlink-core,Factlink/factlink-core,daukantas/factlink-core,Factlink/factlink-core