| /** |
| * @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 |
| */ |
| /** |
| * Returns an exception to be thrown when attempting to change a select's `multiple` option |
| * after initialization. |
| * @docs-private |
| */ |
| export declare function getMatSelectDynamicMultipleError(): Error; |
| /** |
| * Returns an exception to be thrown when attempting to assign a non-array value to a select |
| * in `multiple` mode. Note that `undefined` and `null` are still valid values to allow for |
| * resetting the value. |
| * @docs-private |
| */ |
| export declare function getMatSelectNonArrayValueError(): Error; |
| /** |
| * Returns an exception to be thrown when assigning a non-function value to the comparator |
| * used to determine if a value corresponds to an option. Note that whether the function |
| * actually takes two values and returns a boolean is not checked. |
| */ |
| export declare function getMatSelectNonFunctionValueError(): Error; |