import type { EnqueueTemporalGenerationInput, TaskRecord, TemporalGenerationEnqueueResult } from './task-ledger.js';
export type TemporalCandidateKind = 'exact_or_deferred' | 'date_activation';
export interface TemporalCandidate extends EnqueueTemporalGenerationInput {
    kind: TemporalCandidateKind;
}
export interface TemporalSelectionOptions {
    now: number;
    timeZone: string;
    exactLimit?: number;
    dateLimit?: number;
}
export interface TemporalScannerLedger {
    listTemporalScanPage(input: {
        limit: number;
        afterId: number;
    }): TaskRecord[];
    findTemporalGenerationKeys(generationKeys: readonly string[]): Set<string>;
    countOpenWorkOrders(kind: 'temporal'): number;
    enqueueTemporalGeneration(input: EnqueueTemporalGenerationInput): TemporalGenerationEnqueueResult;
}
export interface TemporalSchedulerOptions {
    ledger: TemporalScannerLedger;
    now: () => number;
    timeZone: string;
    intervalMs?: number;
    maxOpen?: number;
    exactLimit?: number;
    dateLimit?: number;
    setInterval?: (callback: () => void, intervalMs: number) => NodeJS.Timeout;
    clearInterval?: (timer: NodeJS.Timeout) => void;
    log?: (line: string) => void;
}
export interface TemporalTickResult {
    enqueued: number;
    saturated: boolean;
}
export declare function startOfTaskDate(deadlineIso: string, offsetMinutes: number | null, timeZone: string): number;
export declare function buildTemporalGenerationKey(task: TaskRecord, checkAt: number): string;
export declare function selectTemporalCandidates(tasks: readonly TaskRecord[], existingGenerationKeys: ReadonlySet<string>, options: TemporalSelectionOptions): TemporalCandidate[];
export declare class TemporalReconcileScheduler {
    private readonly options;
    private timer;
    constructor(options: TemporalSchedulerOptions);
    tick(): TemporalTickResult;
    start(): void;
    stop(): void;
}
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