import { SmrtCollection } from '@happyvertical/smrt-core';
import { MembershipOverride } from '../models/MembershipOverride.js';
import { OverrideEffect } from '../types/index.js';
/**
 * Collection for managing MembershipOverride objects
 */
export declare class MembershipOverrideCollection extends SmrtCollection<MembershipOverride> {
    static readonly _itemClass: typeof MembershipOverride;
    /**
     * Find all overrides for a membership
     */
    findByMembership(membershipId: string): Promise<MembershipOverride[]>;
    /**
     * Find grant overrides for a membership.
     *
     * Filters in memory because the `effect` column is JSON-typed and
     * Postgres rejects bare `json = text` comparisons.  A single
     * `findByMembership` call is reused for both grant and deny lookups
     * within the same request (see `_overridesByMembership` cache).
     */
    findGrants(membershipId: string): Promise<MembershipOverride[]>;
    /**
     * Find deny overrides for a membership.
     *
     * See `findGrants` for rationale on in-memory filtering.
     */
    findDenies(membershipId: string): Promise<MembershipOverride[]>;
    /**
     * Get grant permission IDs for a membership
     */
    getGrantedPermissionIds(membershipId: string): Promise<string[]>;
    /**
     * Get denied permission IDs for a membership
     */
    getDeniedPermissionIds(membershipId: string): Promise<string[]>;
    /**
     * Set an override for a membership
     */
    setOverride(membershipId: string, permissionId: string, effect: OverrideEffect): Promise<MembershipOverride>;
    /**
     * Remove an override
     */
    removeOverride(membershipId: string, permissionId: string): Promise<boolean>;
    /**
     * Grant a permission to a membership
     * Convenience method for setOverride with GRANT effect
     */
    grantPermission(membershipId: string, permissionId: string): Promise<MembershipOverride>;
    /**
     * Deny a permission for a membership
     * Convenience method for setOverride with DENY effect
     */
    denyPermission(membershipId: string, permissionId: string): Promise<MembershipOverride>;
}
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