import '../../assert/js/assert.js';
import '../../globals.js';
declare const SpeechSynthesisParentPolyfill: {
    /**
     * Initialize the polyfill, setting objects related to SpeechSynthesis on the window. The implementation of
     * SpeechSynthesisPolyfill assumes that the simulation is running in a child iframe under a parent window
     * that implements SpeechSynthesis. So we grab the implementation from the parent and set it to this window.
     */
    initialize(): void;
};
export default SpeechSynthesisParentPolyfill;
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