import { z } from 'zod';
import { Id } from './Id';
import { Name } from './Name';
import { Purpose } from './Purpose';
import { Filter } from './Filter';
import { JSONSchema } from '.';
/**
 * Zod schema for a path in a FieldConstraint.
 * This schema ensures that a value is a non-empty set of JSON paths.
 * It applies the following validations:
 * - The value must be a non-empty set of JSON paths.
 * @type {z.ZodNonEmptyArray<string>}
 * @example
 * // Valid usage
 * pathSchema.parse(['$.a', '$.b']); // Returns ['$.a', '$.b']
 * // Invalid usage (will throw ZodError)
 * pathSchema.parse(['', '$.a', 123]); // Throws error: Invalid JSON path
 * @throws {z.ZodError} Throws a ZodError if the input fails validation
 */
export declare const pathSchema: z.ZodOptional<z.ZodArray<z.ZodType<string, any, string>, "atleastone">>;
/**
 * Zod schema for a FieldConstraint.
 * This schema ensures that a value is a valid FieldConstraint.
 * It applies the following validations:
 * - The value must be an object.
 * - The object may have a path property.
 * - The path property must be a non-empty set of JSON paths.
 * - The object may have an id property.
 * - The id property must be a string.
 * - The object may have a name property.
 * - The name property must be a string.
 * - The object may have a purpose property.
 * - The purpose property must be a string.
 * - The object may have a filter property.
 * - The filter property must be a valid JSON Schema.
 * - The object may have an optional property.
 * - The optional property must be a boolean.
 * - The object may have an intent_to_retain property.
 * - The intent_to_retain property must be a boolean.
 * @type {z.ZodObject}
 * @example
 * // Valid usage
 * fieldConstraintSchema.parse({ path: ['$.a'], id: '123', name: 'name', purpose: 'purpose', filter: { type: 'string' }, optional: true, intent_to_retain: true }); // Returns { path: ['$.a'], id: '123', name: 'name', purpose: 'purpose', filter: { type: 'string' }, optional: true, intent_to_retain: true }
 * // Invalid usage (will throw ZodError)
 * fieldConstraintSchema.parse({ path: ['.a'], id: '123', name: 'name', purpose: 'purpose', filter: { type: 'string' }, optional: true, intent_to_retain: true }); // Throws error: Invalid JSON path
 * @throws {z.ZodError} Throws a ZodError if the input fails validation
 */
export declare const fieldConstraintSchema: z.ZodType<FieldConstraintJSON>;
/**
 * Type of a Path.
 */
export type Path = z.infer<typeof pathSchema>;
/**
 * Type of a FieldConstraint JSON object.
 */
export type FieldConstraintJSON = {
    path?: Path;
    id?: string;
    name?: string;
    purpose?: string;
    filter?: JSONSchema;
    optional?: boolean;
    intent_to_retain?: boolean;
};
/**
 * Represents a item of constraints property of Input Descriptor.
 *
 * @class
 * @example
 * // Create a valid Id instance
 * const fieldConstraint = new FieldConstraint(['$.a'], new Id('123'), new Name('name'), new Purpose('purpose'), new Filter({ type: 'string' }), true, true);
 *
 */
export declare class FieldConstraint {
    paths?: Path;
    id?: Id | undefined;
    name?: Name | undefined;
    purpose?: Purpose | undefined;
    filter?: Filter | undefined;
    optional?: boolean | undefined;
    intentToRetain?: boolean | undefined;
    /**
     * Creates an instance of FieldConstraint.
     * @param {Path} paths - The path of the FieldConstraint.
     * @param {Id} id - The id of the FieldConstraint.
     * @param {Name} name - The name of the FieldConstraint.
     * @param {Purpose} purpose - The purpose of the FieldConstraint.
     * @param {Filter} filter - The filter of the FieldConstraint.
     * @param {boolean} optional - The optional of the FieldConstraint.
     * @param {boolean} intentToRetain - The intent_to_retain of the FieldConstraint.
     */
    constructor(paths?: Path, id?: Id | undefined, name?: Name | undefined, purpose?: Purpose | undefined, filter?: Filter | undefined, optional?: boolean | undefined, intentToRetain?: boolean | undefined);
    /**
     * Creates a FieldConstraint instance from a JSON object.
     *
     * @param {FieldConstraintJSON} json - JSON object representation of the FieldConstraint.
     * @returns {FieldConstraint} A FieldConstraint instance.
     */
    static fromJSON(json: FieldConstraintJSON): FieldConstraint;
    /**
     * Returns the JSON representation of the FieldConstraint.
     *
     * @returns {FieldConstraintJSON} JSON object representation of the FieldConstraint.
     */
    toJSON(): FieldConstraintJSON;
}