import { AriaIdrefsPropertyName, AriaMixinElement, AriaPropertyName, AriaValuePropertyName } from './aria-mixin';
import { DOMPolicy, StatelessAttachedAttributeDirective, ViewController } from '@microsoft/fast-element';
type BoundValue = string | null | undefined | boolean | number;
type AriaBinding<T> = BoundValue | ((x: T) => BoundValue);
export type BoundAriaProperties<T> = Partial<{
    [Property in AriaPropertyName]: AriaBinding<T>;
}>;
type AriaBindingDirectiveOptions<T> = {
    boundProperties: BoundAriaProperties<T>;
    forwardedValueProperties: Set<AriaValuePropertyName>;
    forwardedIdrefsProperties: Set<AriaIdrefsPropertyName>;
    requireHost?: boolean;
};
export declare class AriaBindingDirective<T> extends StatelessAttachedAttributeDirective<AriaBindingDirectiveOptions<T>> {
    targetNodeId?: string;
    policy?: DOMPolicy;
    private _propertyBindingBehaviours?;
    private get propertyBindingBehaviours();
    bind(controller: ViewController<AriaMixinElement>): void;
}
export {};