/**
 * @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
 */
import { ChangeDetectionStrategy, Component, ViewEncapsulation } from '@angular/core';
import { MAT_OPTGROUP, _MatOptgroupBase } from '@angular/material/core';
import * as i0 from "@angular/core";
/**
 * Component that is used to group instances of `mat-option`.
 * @deprecated Use `MatOptgroup` from `@angular/material/core` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.
 * @breaking-change 17.0.0
 */
export class MatLegacyOptgroup extends _MatOptgroupBase {
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatLegacyOptgroup, deps: null, target: i0.ɵɵFactoryTarget.Component }); }
    static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "16.1.1", type: MatLegacyOptgroup, selector: "mat-optgroup", inputs: { disabled: "disabled" }, host: { properties: { "attr.role": "_inert ? null : \"group\"", "attr.aria-disabled": "_inert ? null : disabled.toString()", "attr.aria-labelledby": "_inert ? null : _labelId", "class.mat-optgroup-disabled": "disabled" }, classAttribute: "mat-optgroup" }, providers: [{ provide: MAT_OPTGROUP, useExisting: MatLegacyOptgroup }], exportAs: ["matOptgroup"], usesInheritance: true, ngImport: i0, template: "<span class=\"mat-optgroup-label\" role=\"presentation\" [id]=\"_labelId\">{{ label }} <ng-content></ng-content></span>\n<ng-content select=\"mat-option, ng-container\"></ng-content>\n", styles: [".mat-optgroup-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;line-height:48px;height:48px;padding:0 16px;text-align:left;text-decoration:none;max-width:100%;-webkit-user-select:none;user-select:none;cursor:default}.mat-optgroup-label[disabled]{cursor:default}[dir=rtl] .mat-optgroup-label{text-align:right}.mat-optgroup-label .mat-icon{margin-right:16px;vertical-align:middle}.mat-optgroup-label .mat-icon svg{vertical-align:top}[dir=rtl] .mat-optgroup-label .mat-icon{margin-left:16px;margin-right:0}"], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatLegacyOptgroup, decorators: [{
            type: Component,
            args: [{ selector: 'mat-optgroup', exportAs: 'matOptgroup', encapsulation: ViewEncapsulation.None, changeDetection: ChangeDetectionStrategy.OnPush, inputs: ['disabled'], host: {
                        'class': 'mat-optgroup',
                        '[attr.role]': '_inert ? null : "group"',
                        '[attr.aria-disabled]': '_inert ? null : disabled.toString()',
                        '[attr.aria-labelledby]': '_inert ? null : _labelId',
                        '[class.mat-optgroup-disabled]': 'disabled',
                    }, providers: [{ provide: MAT_OPTGROUP, useExisting: MatLegacyOptgroup }], template: "<span class=\"mat-optgroup-label\" role=\"presentation\" [id]=\"_labelId\">{{ label }} <ng-content></ng-content></span>\n<ng-content select=\"mat-option, ng-container\"></ng-content>\n", styles: [".mat-optgroup-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;line-height:48px;height:48px;padding:0 16px;text-align:left;text-decoration:none;max-width:100%;-webkit-user-select:none;user-select:none;cursor:default}.mat-optgroup-label[disabled]{cursor:default}[dir=rtl] .mat-optgroup-label{text-align:right}.mat-optgroup-label .mat-icon{margin-right:16px;vertical-align:middle}.mat-optgroup-label .mat-icon svg{vertical-align:top}[dir=rtl] .mat-optgroup-label .mat-icon{margin-left:16px;margin-right:0}"] }]
        }] });
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