/** Autogenerated by public2business schematic. DO NOT CHANGE! */
import { BooleanInput } from '@angular/cdk/coercion';
import { InjectionToken } from '@angular/core';
import { CanDisable, CanDisableCtor } from '@sbb-esta/angular-core/common-behaviors';
import { SbbOptionParentComponent } from '../option-parent';
/** @docs-private */
declare class SbbOptgroupBase {
}
declare const _SbbOptgroupMixinBase: CanDisableCtor & typeof SbbOptgroupBase;
/**
 * Injection token that can be used to reference instances of `SbbOptionGroup`. It serves as
 * alternative token to the actual `SbbOptionGroup` class which could cause unnecessary
 * retention of the class and its component metadata.
 */
export declare const SBB_OPTGROUP: InjectionToken<SbbOptionGroup>;
export declare class SbbOptionGroup extends _SbbOptgroupMixinBase implements CanDisable {
    /** Label for the option group. */
    label: string;
    /** Unique id for the underlying label. */
    _labelId: string;
    /** Whether the group is in inert a11y mode. */
    _inert: boolean;
    constructor(parent?: SbbOptionParentComponent);
    static ngAcceptInputType_disabled: BooleanInput;
}
export {};