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1export declare function printErrorAndExit(error: Error): void;
2export declare function executeFinally<T>(promise: Promise<T>, task: (errorOccurred: boolean) => Promise<any>): Promise<T>;
3export declare class NestedError extends Error {
4 constructor(errors: Array<Error>, message?: string);
5}
6export declare function orNullIfFileNotExist<T>(promise: Promise<T>): Promise<T | null>;
7export declare function orIfFileNotExist<T>(promise: Promise<T>, fallbackValue: T): Promise<T>;