import { SdtfError } from '../SdtfError';
export declare function isSdtfError(e: any): e is SdtfError;
export declare function sdAssertUnreachable(_: never): never;
export declare function enumKeys<O extends object, K extends keyof O = keyof O>(o: O): K[];
export declare function enumValues(o: object): (string | number)[];
export declare function tryDeepCopy<T>(original: T): T;
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