export type ZonIssue = {
    path: (string | number)[];
    message: string;
    code: 'invalid_type' | 'missing_field' | 'invalid_enum' | 'custom';
};
export type ZonResult<T> = {
    success: true;
    data: T;
} | {
    success: false;
    error: string;
    issues: ZonIssue[];
};
/**
 * Abstract base class for ZON schemas.
 * Defines the contract for parsing validation and prompt generation.
 */
export declare abstract class ZonSchema<T = any> {
    protected description?: string;
    protected exampleValue?: T;
    /**
     * Parses and validates the input data against the schema.
     *
     * @param data - The data to validate
     * @param path - Current path in the data structure (for error reporting)
     * @returns Validation result (success or failure with issues)
     */
    abstract parse(data: any, path?: (string | number)[]): ZonResult<T>;
    /**
     * Generates a human-readable description of the schema for LLM prompts.
     *
     * @param indent - Indentation level for nested structures
     * @returns Schema description string
     */
    abstract toPrompt(indent?: number): string;
    describe(description: string): this;
    example(value: T): this;
    optional(): ZonSchema<T | undefined>;
    nullable(): ZonSchema<T | null>;
    default(value: T): ZonSchema<T>;
    refine(validator: (val: T) => boolean, message: string): ZonSchema<T>;
}
declare class ZonString extends ZonSchema<string> {
    private minLength?;
    private maxLength?;
    private emailValidation;
    private urlValidation;
    private regexPattern?;
    private regexMessage?;
    private uuidValidation;
    private datetimeValidation;
    private dateValidation;
    private timeValidation;
    min(length: number): this;
    max(length: number): this;
    email(): this;
    url(): this;
    regex(pattern: RegExp, message?: string): this;
    uuid(version?: 'v4' | 'any'): this;
    datetime(): this;
    date(): this;
    time(): this;
    parse(data: any, path?: (string | number)[]): ZonResult<string>;
    toPrompt(indent?: number): string;
}
declare class ZonNumber extends ZonSchema<number> {
    private minValue?;
    private maxValue?;
    private isPositive;
    private isNegative;
    private isInteger;
    min(value: number): this;
    max(value: number): this;
    positive(): this;
    negative(): this;
    int(): this;
    parse(data: any, path?: (string | number)[]): ZonResult<number>;
    toPrompt(indent?: number): string;
}
declare class ZonBoolean extends ZonSchema<boolean> {
    parse(data: any, path?: (string | number)[]): ZonResult<boolean>;
    toPrompt(indent?: number): string;
}
declare class ZonEnum<T extends string> extends ZonSchema<T> {
    private values;
    constructor(values: T[]);
    parse(data: any, path?: (string | number)[]): ZonResult<T>;
    toPrompt(indent?: number): string;
}
declare class ZonArray<T> extends ZonSchema<T[]> {
    private elementSchema;
    private minLength?;
    private maxLength?;
    constructor(elementSchema: ZonSchema<T>);
    min(length: number): this;
    max(length: number): this;
    parse(data: any, path?: (string | number)[]): ZonResult<T[]>;
    toPrompt(indent?: number): string;
}
declare class ZonObject<T extends Record<string, any>> extends ZonSchema<T> {
    private shape;
    constructor(shape: {
        [K in keyof T]: ZonSchema<T[K]>;
    });
    parse(data: any, path?: (string | number)[]): ZonResult<T>;
    toPrompt(indent?: number): string;
}
declare class ZonLiteral<T extends string | number | boolean> extends ZonSchema<T> {
    private value;
    constructor(value: T);
    parse(data: any, path?: (string | number)[]): ZonResult<T>;
    toPrompt(indent?: number): string;
}
declare class ZonUnion<T extends any[]> extends ZonSchema<T[number]> {
    private schemas;
    constructor(schemas: ZonSchema<any>[]);
    parse(data: any, path?: (string | number)[]): ZonResult<any>;
    toPrompt(indent?: number): string;
}
export declare const zon: {
    string: () => ZonString;
    number: () => ZonNumber;
    boolean: () => ZonBoolean;
    enum: <T extends string>(values: T[]) => ZonEnum<T>;
    array: <T>(schema: ZonSchema<T>) => ZonArray<T>;
    object: <T extends Record<string, any>>(shape: { [K in keyof T]: ZonSchema<T[K]>; }) => ZonObject<T>;
    literal: <T extends string | number | boolean>(value: T) => ZonLiteral<T>;
    union: <T extends ZonSchema<any>[]>(...schemas: T) => ZonUnion<any[]>;
};
/**
 * Validates a ZON string or decoded object against a schema.
 * @param input ZON string or decoded object
 * @param schema ZON Schema
 */
export declare function validate<T>(input: string | any, schema: ZonSchema<T>): ZonResult<T>;
export {};