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/**
* @license
* Copyright Google Inc. 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
*/
/* tslint:disable:array-type member-access variable-name typedef
only-arrow-functions directive-class-suffix component-class-suffix
component-selector*/
import {OverlayRef} from '../overlay-ref';
/**
* Describes a strategy that will be used by an overlay
* to handle scroll events while it is open.
*/
export abstract class ScrollStrategy {
enable: () => void;
disable: () => void;
attach: (overlayRef: OverlayRef) => void;
}
/**
* Returns an error to be thrown when attempting to attach an already-attached
* scroll strategy.
*/
export function getMdScrollStrategyAlreadyAttachedError(): Error {
return Error(`Scroll strategy has already been attached.`);
}
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