export type ValidationResult<Context = unknown> = SuccessValidationResult<Context> | FailedValidationResult<Context>;
export type Validator<FieldValue, Context = unknown> = (value: FieldValue) => ValidationResult<Context>;
export type AsyncValidator<FieldValue> = (value: FieldValue) => Promise<ValidationResult<unknown>>;
/**
 * If validator returns nothing, that means that validation has passed successfully.
 */
export type SuccessValidationResult<Context> = SuccessContextValidationResult<Context> | undefined | void;
/**
 * Context-based success validation result, context is used when validation has passed
 * successfully, but you also want to show some success validation details, like what
 * validation exactly has passed.
 */
interface SuccessContextValidationResult<Context> {
    context?: Context;
}
/**
 * Failed validation result supports two formats, if validator returns
 * - string (legacy format) this will be used as validation error
 * - enhanced failed result contains error message and failed validation context (generic useful information)
 */
export type FailedValidationResult<Context> = string | {
    errorMessage: string;
    context?: Context;
};
export type ParsedValidationResult<Context> = {
    type: 'success';
    context?: Context;
} | {
    type: 'error';
    message: string;
    context?: Context;
};
export declare function parseValidation<Context>(result: ValidationResult<Context>): ParsedValidationResult<Context>;
export {};