| /** |
| * @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 |
| */ |
| /** |
| * Throws an exception when attempting to attach a null portal to a host. |
| * @docs-private |
| */ |
| export declare function throwNullPortalError(): void; |
| /** |
| * Throws an exception when attempting to attach a portal to a host that is already attached. |
| * @docs-private |
| */ |
| export declare function throwPortalAlreadyAttachedError(): void; |
| /** |
| * Throws an exception when attempting to attach a portal to an already-disposed host. |
| * @docs-private |
| */ |
| export declare function throwPortalOutletAlreadyDisposedError(): void; |
| /** |
| * Throws an exception when attempting to attach an unknown portal type. |
| * @docs-private |
| */ |
| export declare function throwUnknownPortalTypeError(): void; |
| /** |
| * Throws an exception when attempting to attach a portal to a null host. |
| * @docs-private |
| */ |
| export declare function throwNullPortalOutletError(): void; |
| /** |
| * Throws an exception when attempting to detach a portal that is not attached. |
| * @docs-private |
| */ |
| export declare function throwNoPortalAttachedError(): void; |