import { type v4 } from '@sap/ux-specification-types';
import type { DecoratorContext } from '../../../common/decoration/interfaces';
/**
 * Sync class for Position
 */
export declare class CustomHeaderActionPosition implements v4.CustomHeaderActionPosition {
    anchor?: string;
    placement: v4.ActionPlacement;
}
export declare class CustomHeaderAction implements v4.CustomHeaderAction {
    text: string;
    position: CustomHeaderActionPosition;
    press: string;
    visible?: boolean;
    enabled?: boolean;
    overflowGroup?: number;
    priority?: v4.ActionPriority;
    /**
     * Called automatically by Decorator.apply() after all decorator steps.
     * Adds custom action definitions and anchor enums to the schema.
     *
     * @param context - The decorator context providing schema, page target, and logger
     */
    init(context: DecoratorContext): void;
}
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