import { ExtensionsProvider } from "../host.js";
/**
 * Combine multiple {@link @adobe/uix-host#ExtensionsProvider} callbacks into a
 * single callback, which aggregates and dedupes all extensions from all
 * providers into one namespaced object.
 * @public
 */
export declare function combineExtensionsFromProviders(...providers: Array<ExtensionsProvider>): ExtensionsProvider;
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