export interface InteropImportDefaultOptions {
    /**
     * If true, `interopImportDefault` will require that the provided argument is
     * an object. Any errors thrown (ex: by the Reflect API) will not be silently
     * ignored.
     */
    strict?: boolean;
}
/**
 * Provided an object T, determines if that value has a property key 'default'.
 * If so, returns its value as type T. Otherwise, returns the value as-is.
 *
 * If the provided value is not an object, it will returned as-is. If strict
 * mode is enabled, the function will throw for non-objects and any other errors
 * encountered.
 */
export declare function interopImportDefault<T>(packageExport: T, options?: InteropImportDefaultOptions): T;