export interface ParsedExactDueAt {
    dueAt: number;
    deadline: string;
    offsetMinutes: number;
}
export type TemporalState = 'closed' | 'exact_upcoming' | 'exact_overdue' | 'date_upcoming' | 'date_due' | 'date_overdue' | 'unscheduled';
export interface TemporalStateInput {
    status: string;
    dueAt: number | null;
    deadlineIso: string | null;
    deadlineOffsetMinutes: number | null;
}
export declare function deriveTemporalState(task: TemporalStateInput, now: number, daemonTimeZone: string): TemporalState;
export declare function parseExactDueAt(value: string): ParsedExactDueAt;
export declare function occurrenceKeyForTask(task: {
    temporalEpoch: number;
    dueAt: number | null;
    deadlineIso: string | null;
}): string | null;
export declare function temporalGenerationKey(taskId: number, occurrenceKey: string, checkAt: number): string;
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