tests/cases/compiler/collisionExportsRequireAndClass_externalmodule.ts(1,14): error TS2441: Duplicate identifier 'require'. Compiler reserves name 'require' in top level scope of a module. tests/cases/compiler/collisionExportsRequireAndClass_externalmodule.ts(3,14): error TS2441: Duplicate identifier 'exports'. Compiler reserves name 'exports' in top level scope of a module. ==== tests/cases/compiler/collisionExportsRequireAndClass_externalmodule.ts (2 errors) ==== export class require { ~~~~~~~ !!! error TS2441: Duplicate identifier 'require'. Compiler reserves name 'require' in top level scope of a module. } export class exports { ~~~~~~~ !!! error TS2441: Duplicate identifier 'exports'. Compiler reserves name 'exports' in top level scope of a module. } module m1 { class require { } class exports { } } module m2 { export class require { } export class exports { } } ==== tests/cases/compiler/collisionExportsRequireAndClass_globalFile.ts (0 errors) ==== class require { } class exports { } module m3 { class require { } class exports { } } module m4 { export class require { } export class exports { } }