tests/cases/compiler/separateCompilationPlainFile-AMD.ts(2,1): error TS1208: Cannot compile namespaces when the '--separateCompilation' flag is provided. ==== tests/cases/compiler/separateCompilationPlainFile-AMD.ts (1 errors) ==== declare function run(a: number): void; ~~~~~~~ !!! error TS1208: Cannot compile namespaces when the '--separateCompilation' flag is provided. run(1);