import { z } from 'zod';
import { FieldConstraint, FieldConstraintJSON } from './FieldConstraint';
import { NonEmptySet } from './NonEmptySet';
/**
 * Zod schema for a set of FieldConstraints.
 * This schema ensures that a value is a non-empty set of FieldConstraints.
 * It applies the following validations:
 * - The value must be a non-empty set of FieldConstraints.
 * @type {z.ZodNonEmptyArray}
 * @example
 * // Valid usage
 * fieldsSchema.parse([{ path: ['$.a'], id: '123', name: 'name', purpose: 'purpose', filter: { type: 'string' }, optional: true, intent_to_retain: true }]); // Returns [{ path: ['$.a'], id: '123', name: 'name', purpose: 'purpose', filter: { type: 'string' }, optional: true, intent_to_retain: true }]
 * // Invalid usage (will throw ZodError)
 * fieldsSchema.parse([]); // Throws error: Invalid input
 * @throws {z.ZodError} Throws a ZodError if the input fails validation
 */
export declare const fieldsSchema: z.ZodArray<z.ZodType<FieldConstraintJSON, any, FieldConstraintJSON>, "atleastone">;
/**
 * Zod schema for a limit disclosure value.
 * This schema ensures that a value is a valid limit disclosure value.
 * It applies the following validations:
 * - The value must be either 'required' or 'preferred'.
 * @type {z.ZodEnum}
 * @example
 * // Valid usage
 * limitDisclosureSchema.parse('required'); // Returns 'required'
 * limitDisclosureSchema.parse('preferred'); // Returns 'preferred'
 * // Invalid usage (will throw ZodError)
 * limitDisclosureSchema.parse(''); // Throws error: Invalid enum member
 * @throws {z.ZodError} Throws a ZodError if the input fails validation
 */
export declare const limitDisclosureSchema: z.ZodEnum<["required", "preferred"]>;
/**
 * Zod schema for Constraints.
 * This schema ensures that a value is a valid Constraints.
 * It applies the following validations:
 * - The value must be an object.
 * - The object may have a fields property.
 * - The fields property must be a non-empty set of FieldConstraints.
 * - The object may have a limitDisclosure property.
 * - The limitDisclosure property must be a valid limit disclosure value.
 * @type {z.ZodObject}
 * @example
 * // Valid usage
 * constraintsSchema.parse({ fields: [{ path: ['$.a'], id: '123', name: 'name', purpose: 'purpose', filter: { type: 'string' }, optional: true, intent_to_retain: true }], limitDisclosure: 'required' }); // Returns { fields: [{ path: ['$.a'], id: '123', name: 'name', purpose: 'purpose', filter: { type: 'string' }, optional: true, intent_to_retain: true }], limitDisclosure: 'required' }
 * // Invalid usage (will throw ZodError)
 * constraintsSchema.parse({ fields: [], limitDisclosure: 'required' }); // Throws error: Invalid input
 */
export declare const constraintsSchema: z.ZodType<ConstraintsJSON>;
/**
 * Type of a set of FieldConstraint.
 */
export type FieldConstraintSet = NonEmptySet<FieldConstraint>;
/**
 * Type of a set of FieldConstraintJSON.
 */
export type FieldConstraintJSONSet = FieldConstraintJSON[];
/**
 * Type of a limit disclosure value.
 */
export type LimitDisclosureValue = z.infer<typeof limitDisclosureSchema>;
/**
 * Type of a Constraints JSON object.
 */
export type ConstraintsJSON = {
    fields?: FieldConstraintJSONSet;
    limit_disclosure?: LimitDisclosureValue;
};
/**
 * Interface for Constraints.
 * This interface represents the constraints property of Input Descriptor
 * @interface
 */
export interface Constraints {
    readonly __type: 'Fields' | 'LimitDisclosure' | 'FieldsAndDisclosure';
    toJSON(): ConstraintsJSON;
}
/**
 * Namespace for Constraints.
 * It contains classes and functions for Constraints.
 * @namespace
 */
export declare namespace Constraints {
    /**
     * Represents a fields propertiy for the Constraints.
     * It contains a set of FieldConstraint.
     * @class
     * @implements {Constraints}
     * @param {FieldConstraintSet} fieldConstraints - The set of FieldConstraint.
     * @example
     * // Create a new Fields instance
     * const fields = new Fields([new FieldConstraint('$.a'), new FieldConstraint('$.b')]);
     */
    class Fields implements Constraints {
        fieldConstraints: FieldConstraintSet;
        readonly __type: "Fields";
        /**
         * Creates an instance of Fields.
         * @param {FieldConstraintSet} fieldConstraints - The set of FieldConstraints.
         * @throws {Error} Thrown when fieldConstraints is undefined or empty.
         */
        constructor(fieldConstraints: FieldConstraintSet);
        /**
         * Creates an instance of Fields from a JSON object.
         * @param {FieldConstraintJSONSet} fieldConstraints - The JSON object representing the Fields.
         * @returns {Fields} A new Fields instance.
         */
        static fromJSON(fieldsConstraints: FieldConstraintJSONSet): Fields;
        /**
         * Returns the JSON object representation of the Fields.
         * @returns {FieldConstraintJSON[]} The JSON object representation of the Fields.
         */
        toJSON(): ConstraintsJSON;
    }
    /**
     * Represents a limit_disclosure propertiy for the Constraints.
     * It contains a value that can be either 'required' or 'preferred'.
     * @class
     * @implements {Constraints}
     * @param {LimitDisclosureValue} value - The value of the LimitDisclosure.
     * @example
     * // Create a new LimitDisclosure instance
     * const limitDisclosure = LimitDisclosure.REQUIRED;
     */
    class LimitDisclosure implements Constraints {
        value: LimitDisclosureValue;
        readonly __type: "LimitDisclosure";
        /**
         * The required limit disclosure value.
         * @type {LimitDisclosure}
         * @static
         */
        static REQUIRED: LimitDisclosure;
        /**
         * The preferred limit disclosure value.
         * @type {LimitDisclosure}
         * @static
         */
        static PREFERRED: LimitDisclosure;
        /**
         * Creates an instance of LimitDisclosure.
         * @param {LimitDisclosureValue} value - The value of the LimitDisclosure.
         * @private
         */
        private constructor();
        /**
         * Returns The value of the LimitDisclosure.
         * @returns {LimitDisclosureValue} The value of the LimitDisclosure.
         */
        toJSON(): ConstraintsJSON;
        /**
         * Creates a LimitDisclosure instance from a string.
         * @param {string} value - The string value of the LimitDisclosure.
         * @returns {LimitDisclosure} A LimitDisclosure instance.
         */
        static fromString(value: string): LimitDisclosure;
    }
    /**
     * Represents a set of fields and a limit disclosure value for the Constraints.
     * It contains a set of FieldConstraints and a limit disclosure value.
     * @class
     * @implements {Constraints}
     * @param {FieldConstraintSet} fieldConstraints - The set of FieldConstraints.
     * @param {LimitDisclosure} limitDisclosure - The limit disclosure value.
     * @example
     * // Create a new FieldsAndDisclosure instance
     * const fieldsAndDisclosure = new FieldsAndDisclosure([new FieldConstraint('$.a'), new FieldConstraint('$.b')], LimitDisclosure.REQUIRED);
     */
    class FieldsAndDisclosure implements Constraints {
        fieldConstraints: FieldConstraintSet;
        limitDisclosure: LimitDisclosure;
        readonly __type: "FieldsAndDisclosure";
        /**
         * Creates an instance of FieldsAndDisclosure.
         * @param {FieldConstraintSet} fieldConstraints - The set of FieldConstraints.
         * @param {LimitDisclosure} limitDisclosure - The limit disclosure value.
         * @throws {Error} Thrown when fieldConstraints is undefined or empty.
         */
        constructor(fieldConstraints: FieldConstraintSet, limitDisclosure: LimitDisclosure);
        /**
         * Returns The value of the LimitDisclosure.
         * @returns {LimitDisclosureValue} The value of the LimitDisclosure.
         */
        toJSON(): ConstraintsJSON;
    }
    /**
     * Returns the FieldConstraints of the Constraints.
     * @param {Constraints} instance - The Constraints instance.
     * @returns {FieldConstraint[]} The FieldConstraints of the Constraints.
     */
    const fields: (instance: Constraints) => FieldConstraint[];
    /**
     * Returns the LimitDisclosure of the Constraints.
     * @param {Constraints} instance - The Constraints instance.
     * @returns {LimitDisclosure} The LimitDisclosure of the Constraints.
     */
    const limitDisclosure: (instance: Constraints) => LimitDisclosure | undefined;
    /**
     * Returns a Constraints instance.
     * @param {FieldConstraintJSON[]} fs - An array of FieldConstraint instance.
     * @param {LimitDisclosure} limitDisclosure - The LimitDisclosure instance.
     * @returns {Constraints} A Constraints instance.
     */
    const of: (fs?: FieldConstraint[], limitDisclosure?: LimitDisclosure) => Constraints | undefined;
    const fromJSON: (json: ConstraintsJSON) => Constraints;
}