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1 | /**
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2 | * @license
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3 | * Copyright Google LLC All Rights Reserved.
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4 | *
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5 | * Use of this source code is governed by an MIT-style license that can be
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6 | * found in the LICENSE file at https://angular.io/license
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7 | */
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8 | import { InjectionToken } from '@angular/core';
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9 | import { FocusTrap } from './focus-trap';
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10 | /** The injection token used to specify the inert strategy. */
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11 | export declare const FOCUS_TRAP_INERT_STRATEGY: InjectionToken<FocusTrapInertStrategy>;
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12 | /**
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13 | * A strategy that dictates how FocusTrap should prevent elements
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14 | * outside of the FocusTrap from being focused.
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15 | */
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16 | export interface FocusTrapInertStrategy {
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17 | /** Makes all elements outside focusTrap unfocusable. */
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18 | preventFocus(focusTrap: FocusTrap): void;
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19 | /** Reverts elements made unfocusable by preventFocus to their previous state. */
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20 | allowFocus(focusTrap: FocusTrap): void;
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21 | }
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