export type NudgeContext = 'intake' | 'discovery-footer' | 'milestone';
export declare function userAiwgDir(): string;
export declare function nudgeStatePath(): string;
export declare function shouldShowNudge(ctx: NudgeContext, opts?: {
    now?: Date;
    requireTty?: boolean;
}): boolean;
export declare function markNudgeShown(ctx: Exclude<NudgeContext, 'milestone'>, opts?: {
    now?: Date;
}): void;
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