export declare const normalizeAreaCode: (input: string | undefined, fallback: string) => string;
export declare const createEpicKeyGenerator: (projectKey: string, existingKeys?: Iterable<string>) => ((area?: string) => string);
export declare const createStoryKeyGenerator: (epicKey: string, existingKeys?: Iterable<string>) => (() => string);
export declare const createTaskKeyGenerator: (storyKey: string, existingKeys?: Iterable<string>) => (() => string);
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