=== tests/cases/compiler/declareDottedModuleName.ts ===
module M {
>M : any, Symbol(M, Decl(declareDottedModuleName.ts, 0, 0), Decl(declareDottedModuleName.ts, 2, 1))

    module P.Q { } // This shouldnt be emitted
>P : any, Symbol(P, Decl(declareDottedModuleName.ts, 0, 10))
>Q : any, Symbol(Q, Decl(declareDottedModuleName.ts, 1, 13))
}

module M {
>M : any, Symbol(M, Decl(declareDottedModuleName.ts, 0, 0), Decl(declareDottedModuleName.ts, 2, 1))

    export module R.S { }  //This should be emitted
>R : any, Symbol(R, Decl(declareDottedModuleName.ts, 4, 10))
>S : any, Symbol(S, Decl(declareDottedModuleName.ts, 5, 20))
}

module T.U { // This needs to be emitted
>T : any, Symbol(T, Decl(declareDottedModuleName.ts, 6, 1))
>U : any, Symbol(U, Decl(declareDottedModuleName.ts, 8, 9))
}