/**
 * Creates and holds configuration for fields, e.g. how to validate or cast
 * fields.
 */
export class Field {
    /**
     * Creates a {@link Field} instance.
     *
     * @param {object} [config] The field's configuration.
     */
    constructor(config?: object | undefined);
    castors: any;
    config: object;
    name: any;
    type: any;
    path: any;
    model: any;
    updated: any;
    column: any;
    primary: boolean;
    unique: boolean;
    methods: boolean;
    default: any;
    validators: {
        type: any;
    };
    _createValidators(config: any): {
        type: any;
    };
    _createShapeValidators(shape: any): any;
    getColumnName(fieldName: any): any;
    throwValidationError(value: any, validator: any): void;
    validateIsRequired(value: any): void;
    _validateTypeWith(value: any, type: any, validate: any): true | undefined;
    _validateIsAny(value: any, type: any): void;
    validateIsAny(value: any, type: any): void;
    validateIsNumber(value: any, type: any): void;
    _validateIsString(value: any, type: any): void;
    validateIsString(value: any, type: any): void;
    validateIsText(value: any, type: any): void;
    validateIsEmail(value: any, type: any): void;
    validateIsBinary(value: any, type: any): void;
    validateIsInteger(value: any, type: any): void;
    validateIsBoolean(value: any, type: any): void;
    _validateIsDate(value: any, type: any): void;
    validateIsDate(value: any, type: any): void;
    validateIsDateTime(value: any, type: any): void;
    validateIsUuid(value: any, type: any): void;
    validateIsUuidV4(value: any, type: any): void;
    validateIsDecimal(value: any, type: any): void;
    validateIsJson(value: any, type: any): void;
    validateIsJsonB(value: any, type: any): void;
    validateIsObject(value: any, type: any): void;
    validateIsArray(value: any, type: any): void;
    validateTypeIs(value: any, type: any): void;
    validateMinLengthIs(value: any, minLength: any): true | undefined;
    validateMaxLengthIs(value: any, maxLength: any): true | undefined;
    validateIsOneOf(value: any, oneOf: any): true | undefined;
    validateEquals(value: any, equals: any): true | undefined;
    _validateRegexMatching(value: any, regex: any): void;
    _validateRegexNotMatching(value: any, regex: any): void;
    validateWithRegex(value: any, regex: any): true | void;
    /**
     * Custom validator function, note that `async` validator functions, or
     * functions that return a {@link Promise}, are supported.
     *
     * Validation for the value will be failed if the function:
     *   - throws an error
     *   - returns `false`
     *   - returns a `Promise` that is rejected with an error
     *   - returns a `Promise` that is resolved with `false`
     *
     * This function may also return an object with the regular
     * [validators](/guides/fields.md#field-config), or resolving the `Promise`
     * with an object with validators, including another custom validator
     * function!
     *
     * @callback Field~customValidator
     * @param {any} value The value to validate.
     * @param {Model} model The {@link Model} instance where the field value is
     * set.
     *
     * @returns {Promise|boolean|object}
     */
    /**
     * Validates a value with a custom validator function.
     *
     * @param {any} value The value to validate
     * @param {Field~customValidator} validate The validator function.
     * @param {Model} model The {@link Model} instance where the field's value is
     * set.
     *
     * @returns {Promise} A `Promise` that is resolved if the `value` param passes
     * custom validation, or otherwise rejected.
     */
    validateWithCustom(value: any, validate: any, model: Model): Promise<any>;
    validateWithShape(value: any, shape: any, modelInstance: any): Promise<any>;
    validateWithValidators(value: any, validators: any, modelInstance: any): Promise<void>;
    validate(value: any, modelInstance: any): Promise<void>;
    /**
     * Casts a {@link Field}'s value with its configured cast functions.
     *
     * @param {any} value The value to be cast.
     * @param {Model} model The {@link Model} instance where the field's
     * value is set. The cast functions will be called with this instance as a
     * parameter.
     * @param {object} options Cast options.
     * @param {boolean} options.forSave Whether or not to cast for save operations
     * (i.e before insert or update). This function is called with the `value` as
     * the first paramter and `model` as the second parameter.
     * @param {boolean} options.forFetch Whether or not to cast for fetch
     * operations (i.e after fetch or any other operations that return data from
     * the database). This function is called with the `value` as the first
     * paramter and `model` as the second parameter.
     *
     * @returns {any} The cast value, or `undefined` if no cast functions are
     * configured for the {@link Field} instance.
     */
    cast(value: any, model: Model, { forSave, forFetch }: {
        forSave: boolean;
        forFetch: boolean;
    }): any;
    /**
     * Returns the default value for a field from the {@link Field}'s
     * configuration.
     *
     * @param {Model} model The {@link Model} instance where the field's default
     * value will be set. If the default is configured as a function, the function
     * is called with `model` as the first parameter.
     *
     * @returns {any|undefined} The default value or `undefined` if there's no
     * default value set for the field.
     */
    getDefault(model: Model): any;
    knorm: any;
}
export namespace Field {
    export const knorm: any;
    export const types: string[];
    export { ValidationError };
}
import { Model } from "./Model";
import { ValidationError } from "./ValidationError";