export declare type RuleType = 'string' | 'number' | 'boolean' | 'method' | 'regexp' | 'integer' | 'float' | 'array' | 'object' | 'enum' | 'date' | 'url' | 'hex' | 'email' | 'any';
export interface RuleItem {
    type?: RuleType;
    required?: boolean;
    pattern?: RegExp | string;
    min?: number;
    max?: number;
    len?: number;
    enum?: Array<string | number | boolean | null | undefined>;
    whitespace?: boolean;
    fields?: Rules;
    options?: ValidateOption;
    defaultField?: RuleItem;
    transform?: (value: any) => any;
    message?: string | (() => string);
    asyncValidator?: (rule: Rules, value: any, callback: (error: string | string[] | void) => void, source: ValidateSource, options: ValidateOption) => void | Promise<void>;
    validator?: (rule: Rules, value: any, callback: (error: string | string[] | void) => void, source: ValidateSource, options: ValidateOption) => void;
}
export interface Rules {
    [field: string]: RuleItem | RuleItem[];
}
export interface ValidateSource {
    [field: string]: any;
}
export interface ValidateOption {
    suppressWarning?: boolean;
    first?: boolean;
    firstFields?: boolean | string[];
}