import { SmrtCollection } from '@happyvertical/smrt-core';
import { CommissionPlan } from '../models/CommissionPlan.js';
import { CommissionPlanComponent, CommissionPlanStatus } from '../types.js';
/**
 * Fields an amendment may change relative to the version it copies.
 * `planKey` is fixed (it identifies the plan), `version` is computed, and
 * `status` is always `draft` — a caller cannot mint a pre-activated
 * amendment.
 */
export interface CommissionPlanAmendmentChanges {
    name?: string;
    description?: string;
    components?: CommissionPlanComponent[];
    currency?: string;
    effectiveFrom?: Date | null;
    metadata?: Record<string, unknown>;
}
export declare class CommissionPlanCollection extends SmrtCollection<CommissionPlan> {
    static readonly _itemClass: typeof CommissionPlan;
    /** Every version of a plan, newest version first. */
    findByPlanKey(planKey: string): Promise<CommissionPlan[]>;
    /** Plans by status. */
    findByStatus(status: CommissionPlanStatus): Promise<CommissionPlan[]>;
    /**
     * The highest ACTIVE version of a plan already IN EFFECT at `at`, or
     * `null` when none is. This is what calculation callers resolve terms
     * from when no frozen snapshot pins a specific version. A future-dated
     * amendment can be activated ahead of its effective date without
     * governing earlier qualifications (`effectiveFrom: null` = effective
     * immediately).
     */
    latestActiveByKey(planKey: string, at?: Date, tenantId?: string | null): Promise<CommissionPlan | null>;
    /**
     * Create an amendment: insert a new DRAFT row with
     * `version = max(existing versions) + 1`, copying the latest existing
     * version's fields and then applying `changes`. The source version is not
     * touched — activate the draft (and supersede the prior active version)
     * as a separate, explicit step.
     *
     * Throws when no version of `planKey` exists (nothing to amend — use
     * `create` for a brand-new plan).
     */
    createAmendment(planKey: string, changes?: CommissionPlanAmendmentChanges): Promise<CommissionPlan>;
}
export default CommissionPlanCollection;
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