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import {  emptyList,  emptyString,  mixedList,  mixedListConst,  numberList,  numberListConst,  string,} from '_internals/typescriptTestUtils'import {head, last} from 'rambda'
describe('R.head', () => {  it('string', () => {    head(string) // $ExpectType string    last(string) // $ExpectType string  })  it('empty string', () => {    head(emptyString) // $ExpectType undefined    last(emptyString) // $ExpectType undefined  })  it('array', () => {    head(numberList) // $ExpectType number    head(numberListConst) // $ExpectType 1
    last(numberList) // $ExpectType number    last(numberListConst) // $ExpectType 3  })  it('empty array', () => {    const list = [] as const    head(emptyList) // $ExpectType undefined    head(list) // $ExpectType never    last(emptyList) // $ExpectType undefined    last(list) // $ExpectType never  })
  it('mixed', () => {    head(mixedList) // $ExpectType string | number    head(mixedListConst) // $ExpectType 1    last(mixedList) // $ExpectType string | number    last(mixedListConst) // $ExpectType "bar"  })})