export interface ClientAcl {
    id?: number;
    clientid?: string;
    username: string;
    topic: string;
    action: 'publish' | 'subscribe' | 'pubsub';
    permission: 'allow' | 'deny';
    priority?: number;
    description?: string;
    created_at?: Date;
    updated_at?: Date;
}
export declare class ClientAclModel {
    static getAll(limit?: number, offset?: number): Promise<ClientAcl[]>;
    static getById(id: number): Promise<ClientAcl | null>;
    static getByUsername(username: string): Promise<ClientAcl[]>;
    static getByAction(action: string): Promise<ClientAcl[]>;
    static getByTopic(topic: string): Promise<ClientAcl[]>;
    static getByPermission(permission: string): Promise<ClientAcl[]>;
    static getCount(): Promise<number>;
    static getActionStats(): Promise<any[]>;
    static getPermissionStats(): Promise<any[]>;
    static create(aclData: Omit<ClientAcl, 'id' | 'created_at' | 'updated_at'>): Promise<ClientAcl>;
    static update(id: number, updateData: Partial<Omit<ClientAcl, 'id' | 'created_at'>>): Promise<boolean>;
    static delete(id: number): Promise<boolean>;
    static deleteByUsername(username: string): Promise<boolean>;
    static search(searchTerm: string, limit?: number, offset?: number): Promise<ClientAcl[]>;
    static getSearchCount(searchTerm: string): Promise<number>;
    static createBatch(aclDataList: Omit<ClientAcl, 'id' | 'created_at' | 'updated_at'>[]): Promise<boolean>;
    static copyToUser(sourceUsername: string, targetUsername: string): Promise<boolean>;
    static deleteMultiple(ids: number[]): Promise<boolean>;
    static getByUsernameAndAction(username: string, action: string): Promise<ClientAcl[]>;
    static checkPermission(username: string, topic: string, action: string): Promise<boolean>;
}
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