import { testTransformDts } from '../transform' ; it ( 'should handle exported interfaces' , ( ) => { const ts = `export interface UnaryFunction<T, R> {
    (source: T): R
  }
` ; const result = testTransformDts ( ts ) ; expect ( result . babel ) . toMatchInlineSnapshot ( `
"export interface UnaryFunction<T, R> {
  (source: T): R
}"
` ) ; } ) ;