import { UniqueRule } from "./unique";
export declare class ExistsRule extends UniqueRule {
    /**
     * Rule name
     */
    static ruleName: string;
    /**
     * Is case sensitive
     */
    protected isCaseSensitive: boolean;
    /**
     * Validate the rule
     */
    validate(): Promise<void>;
    /**
     * Get error message
     */
    error(): any;
}
//# sourceMappingURL=exists.d.ts.map