D:\github\TypeScript\src\services>tsc --explainFiles
C:/Users/Ryan/AppData/Roaming/npm/node_modules/typescript/lib/lib.es5.d.ts
  Library 'lib.es5.d.ts' specified in compilerOptions
C:/Users/Ryan/AppData/Roaming/npm/node_modules/typescript/lib/lib.es2015.generator.d.ts
  Library 'lib.es2015.generator.d.ts' specified in compilerOptions
C:/Users/Ryan/AppData/Roaming/npm/node_modules/typescript/lib/lib.es2015.iterable.d.ts
  Library 'lib.es2015.iterable.d.ts' specified in compilerOptions
  Library referenced via 'es2015.iterable' from file 'C:/Users/Ryan/AppData/Roaming/npm/node_modules/typescript/lib/lib.es2015.generator.d.ts'
C:/Users/Ryan/AppData/Roaming/npm/node_modules/typescript/lib/lib.es2015.symbol.d.ts
  Library referenced via 'es2015.symbol' from file 'C:/Users/Ryan/AppData/Roaming/npm/node_modules/typescript/lib/lib.es2015.iterable.d.ts'
../../built/local/shims.d.ts
  Output from referenced project '../shims/tsconfig.json' included because '--outFile' specified
../../node_modules/@types/microsoft__typescript-etw/index.d.ts
  Imported via "@microsoft/typescript-etw" from file '../../built/local/compiler.d.ts' with packageId '@types/microsoft__typescript-etw/index.d.ts@0.1.1'
../../built/local/compiler.d.ts
  Output from referenced project '../compiler/tsconfig.json' included because '--outFile' specified
../../built/local/jsTyping.d.ts
  Output from referenced project '../jsTyping/tsconfig.json' included because '--outFile' specified
types.ts
  Part of 'files' list in tsconfig.json
utilities.ts
  Part of 'files' list in tsconfig.json
classifier.ts
  Part of 'files' list in tsconfig.json
stringCompletions.ts
  Part of 'files' list in tsconfig.json
completions.ts
  Part of 'files' list in tsconfig.json
documentHighlights.ts
  Part of 'files' list in tsconfig.json
documentRegistry.ts
  Part of 'files' list in tsconfig.json
importTracker.ts
  Part of 'files' list in tsconfig.json
findAllReferences.ts
  Part of 'files' list in tsconfig.json
callHierarchy.ts
  Part of 'files' list in tsconfig.json
getEditsForFileRename.ts
  Part of 'files' list in tsconfig.json
goToDefinition.ts
  Part of 'files' list in tsconfig.json
jsDoc.ts
  Part of 'files' list in tsconfig.json
navigateTo.ts
  Part of 'files' list in tsconfig.json
(many more, truncated)