license import { ViewContainerRef , InjectionToken } from '@angular/core' ; import { Direction } from '@angular/cdk/bidi' ; /** Injection token that can be used to access the data that was passed in to a bottom sheet. */ export const MAT_BOTTOM_SHEET_DATA = new InjectionToken < any > ( 'MatBottomSheetData' ) ; /**
 * Configuration used when opening a bottom sheet.
 */ export class MatBottomSheetConfig < D = any > { /** The view container to place the overlay for the bottom sheet into. */ viewContainerRef ? : ViewContainerRef ; /** Extra CSS classes to be added to the bottom sheet container. */ panelClass ? : string | string [ ] ; /** Text layout direction for the bottom sheet. */ direction ? : Direction ; /** Data being injected into the child component. */ data ? : D | null = null ; /** Whether the bottom sheet has a backdrop. */ hasBackdrop ? : boolean = true ; /** Custom class for the backdrop. */ backdropClass ? : string ; /** Whether the user can use escape or clicking outside to close the bottom sheet. */ disableClose ? : boolean = false ; /** Aria label to assign to the bottom sheet element. */ ariaLabel ? : string | null = null ; /**
     * Whether the bottom sheet should close when the user goes backwards/forwards in history.
     * Note that this usually doesn't include clicking on links (unless the user is using
     * the `HashLocationStrategy`).
     */ closeOnNavigation ? : boolean = true ; /** Whether the bottom sheet should focus the first focusable element on open. */ autoFocus ? : boolean = false ; /**
     * Whether the bottom sheet should restore focus to the
     * previously-focused element, after it's closed.
     */ restoreFocus ? : boolean = true ; }