/** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ /** @docs-private */ export function createMissingDateImplError(provider: string) { return Error( `MatDatepicker: No provider found for ${provider}. You must import one of the following ` + `modules at your application root: MatNativeDateModule, MatMomentDateModule, or provide a ` + `custom implementation.`); }