import type { Role, Roles } from '../types';
import type { RoleAdapter } from './adapter';
export interface MySQLAdapterOptions {
    uri?: string;
    config?: any;
    table: string;
    columns?: {
        name?: string;
        role?: string;
        tenantId?: string;
    };
}
export declare class MySQLRoleAdapter<P = unknown> implements RoleAdapter<P> {
    private options;
    private connection?;
    private defaultTenant;
    constructor(options: MySQLAdapterOptions);
    private getConnection;
    getRoles(tenantId?: string): Promise<Roles<P>>;
    addRole(roleName: string, role: Role<P>, tenantId?: string): Promise<void>;
    updateRoles(roles: Roles<P>, tenantId?: string): Promise<void>;
}