TypeScript Type Declarations is a header lang created in 2012.

TypeScript .d.ts files are declaration files that contain only type information. These files don't produce .js outputs; they are only used for typechecking.

• TypeScript Type Declarations first developed in Microsoft
• file extensions for TypeScript Type Declarations include d.ts
• See also: (1 related languages)TypeScript
• Read more about TypeScript Type Declarations on the web: 1.