import { Rule } from "./rule";
/**
 * The field under validation must be present and not empty if the another field field is equal to any value.
 *
 * @example creditCardNumber: ["requiredIf:paymentType,card"]
 */
export declare class RequiredIfRule extends Rule {
    /**
     * Rule name
     */
    static ruleName: string;
    /**
     * {@inheritdoc}
     */
    requiresValue: boolean;
    /**
     * Validate the rule
     */
    validate(): Promise<void>;
    /**
     * Get error message
     */
    error(): any;
}
//# sourceMappingURL=required-if.d.ts.map