import { SetIframeOptions } from "../app";
/**
 * Configuration options for iframe attributes.
 */
export interface IFrameAttributeConfig {
    /** Allow attribute values to be added to the iframe */
    allow?: string[];
    /** Sandbox attribute values to be added to the iframe */
    sandbox?: string[];
}
/**
 * Applies iframe configuration to an HTMLIFrameElement.
 * Merges new configuration values with existing iframe attributes.
 *
 * @param iframe - The iframe element to configure
 * @param config - Configuration containing allow and sandbox values
 * @param setIframeOptions - Configuration options to disable iframe attributes
 */
export declare function applyIFrameConfig(iframe: HTMLIFrameElement, config?: IFrameAttributeConfig, setIframeOptions?: SetIframeOptions): void;
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