| /** |
| * @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 error to be thrown when there is no usable data. |
| * @docs-private |
| */ |
| export declare function getTreeNoValidDataSourceError(): Error; |
| /** |
| * Returns an error to be thrown when there are multiple nodes that are missing a when function. |
| * @docs-private |
| */ |
| export declare function getTreeMultipleDefaultNodeDefsError(): Error; |
| /** |
| * Returns an error to be thrown when there are no matching node defs for a particular set of data. |
| * @docs-private |
| */ |
| export declare function getTreeMissingMatchingNodeDefError(): Error; |
| /** |
| * Returns an error to be thrown when there are tree control. |
| * @docs-private |
| */ |
| export declare function getTreeControlMissingError(): Error; |
| /** |
| * Returns an error to be thrown when tree control did not implement functions for flat/nested node. |
| * @docs-private |
| */ |
| export declare function getTreeControlFunctionsMissingError(): Error; |