import { type IsoDate } from './dates.js';
import type { NudgeSubject, Occasion, OccasionAcknowledgement, OccasionConflict, OccasionNudge, OpenItem } from './types.js';
/** Everything outstanding, for a surface that pulls rather than receives. */
export interface PendingResult {
    readonly today: IsoDate;
    /** What is coming up and has NOT been acknowledged. */
    readonly nudge: OccasionNudge | null;
    /**
     * Open occurrences the owner has already acknowledged.
     *
     * Kept out of `nudge` on purpose. The nudge is composed as something to say
     * to the owner, and saying an acknowledged occasion back at them is the
     * badgering this whole round exists to stop, but they asked what is coming
     * up, and an honest answer includes the one they told us they have in hand.
     */
    readonly acknowledged: readonly NudgeSubject[];
    readonly conflicts: readonly {
        readonly occasionId: string;
        readonly message: string;
    }[];
}
export interface PendingInput {
    readonly today: IsoDate;
    readonly now: number;
    readonly leadDays: number;
    readonly occasions: readonly Occasion[];
    readonly conflicts: readonly OccasionConflict[];
    readonly openItems: readonly OpenItem[];
    readonly acknowledgements: readonly OccasionAcknowledgement[];
    /** Whether the agent is a configured push destination. */
    readonly agentIsPushed: boolean;
}
/**
 * Compose the pull. Pure: same inputs, same answer.
 *
 * The agent de-duplication is scoped TO THE DAY the push landed, and that
 * narrowing is load-bearing. It used to be permanent, an item the agent had
 * ever been pushed carried a stamp and never appeared here again, which was
 * survivable when a push repeated every few days and is not survivable now that
 * there are only two. Under the old rule, an occasion pushed once at the top of
 * its window would then be invisible to "anything coming up?" for the entire
 * ten days, which is the opposite of what the pull is for. Same day: do not say
 * it twice in one conversation. Any other day: of course it is listed.
 */
export declare function composePending(input: PendingInput): PendingResult;
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