import { SmrtObject, SmrtObjectOptions } from '@happyvertical/smrt-core';
import { OverrideEffect } from '../types/index.js';
/**
 * Constructor options for {@link MembershipOverride}.
 */
export interface MembershipOverrideOptions extends SmrtObjectOptions {
    membershipId?: string;
    permissionId?: string;
    effect?: OverrideEffect;
}
/**
 * MembershipOverride allows granting or denying specific permissions
 * to a user beyond what their role and groups provide.
 *
 * Overrides are applied after role and group permissions are resolved.
 * DENY overrides take precedence over GRANT overrides.
 *
 * @example
 * ```typescript
 * // Grant a specific permission to a user
 * const override = await membershipOverrides.create({
 *   membershipId: membership.id,
 *   permissionId: specialPermission.id,
 *   effect: OverrideEffect.GRANT
 * });
 *
 * // Deny a permission (even if role grants it)
 * const deny = await membershipOverrides.create({
 *   membershipId: membership.id,
 *   permissionId: dangerousPermission.id,
 *   effect: OverrideEffect.DENY
 * });
 * ```
 */
export declare class MembershipOverride extends SmrtObject {
    /**
     * Foreign key to Membership
     */
    membershipId?: string;
    /**
     * Foreign key to Permission
     */
    permissionId?: string;
    /**
     * Effect of the override: grant or deny
     */
    effect: OverrideEffect;
    constructor(options?: MembershipOverrideOptions);
    /**
     * Check if this override grants the permission
     */
    isGrant(): boolean;
    /**
     * Check if this override denies the permission
     */
    isDeny(): boolean;
}
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