import type { DefaultImport, NamedImport } from './types';
export declare function defaultImport(): DefaultImport;
export declare function namedImport(name: string): NamedImport;
export declare function assertNotUndefined<T>(value: T | undefined): asserts value is T;
export declare function flatMap<T, U>(array: T[], callbackfn: (value: T) => U[]): U[];
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