/**
 * XsdToJsonSchema — XSD → JSON Schema (Draft 7) converter
 * ──────────────────────────────────────────────────────────
 * Converts a compiled SchemaModel into a JSON Schema Draft 7 document.
 *
 * Mappings
 * ────────
 *  xs:complexType with sequence   → { type: "object", properties: {…}, required: […] }
 *  xs:complexType with choice     → { oneOf: […] }
 *  xs:simpleType with enumeration → { type: "string", enum: […] }
 *  xs:simpleType with pattern     → { type: "string", pattern: "…" }
 *  xs:list                        → { type: "array", items: {…} }
 *  xs:union                       → { anyOf: […] }
 *  minOccurs=0                    → not in required array
 *  maxOccurs=unbounded            → { type: "array", items: {…} }
 *  Built-in XSD types             → JSON Schema primitives
 *
 * Usage
 * ─────
 *  import { generateJsonSchema } from 'xml-xsd-engine/codegen';
 *
 *  const jsonSchema = generateJsonSchema(schema);
 *  // jsonSchema is a plain object compatible with ajv, jsonschema, etc.
 */
import { SchemaModel } from '../schema/SchemaModel';
export type JsonSchemaValue = string | number | boolean | null | JsonSchemaObject | JsonSchemaValue[];
export interface JsonSchemaObject {
    [key: string]: JsonSchemaValue;
}
export interface JsonSchemaDocument {
    $schema: string;
    $id?: string;
    title?: string;
    definitions?: {
        [name: string]: JsonSchemaObject;
    };
    [key: string]: JsonSchemaValue | undefined | {
        [name: string]: JsonSchemaObject;
    };
}
export interface XsdToJsonSchemaOptions {
    /**
     * JSON Schema draft URI.
     * Default: "http://json-schema.org/draft-07/schema#"
     */
    draft?: string;
    /**
     * Base `$id` URI for the generated schema.
     * Default: undefined
     */
    id?: string;
    /**
     * Title for the top-level schema object.
     * Default: undefined
     */
    title?: string;
    /**
     * When true, emit a `definitions` block and use `$ref` for named types.
     * Default: true
     */
    useDefinitions?: boolean;
    /**
     * When true, treat xs:any / anyAttribute as `additionalProperties: true`.
     * Default: true
     */
    allowAdditional?: boolean;
    /**
     * Custom type map: XSD type key → JSON Schema fragment.
     */
    typeMap?: Record<string, JsonSchemaObject>;
}
export declare class XsdToJsonSchema {
    private schema;
    private opts;
    private typeMap;
    private definitions;
    constructor(schema: SchemaModel, options?: XsdToJsonSchemaOptions);
    generate(): JsonSchemaDocument;
    private _elementDeclToSchema;
    private _complexTypeToSchema;
    private _complexTypeBody;
    private _particleToSchema;
    private _simpleTypeToSchema;
    private _applyFacets;
    private _resolveTypeRef;
    private _attrTypeToSchema;
    private _defName;
}
/**
 * Convert a SchemaModel into a JSON Schema (Draft 7) document.
 *
 * @example
 * ```ts
 * import { parseXsd, generateJsonSchema } from 'xml-xsd-engine';
 * const schema     = parseXsd(xsdSource);
 * const jsonSchema = generateJsonSchema(schema);
 * ```
 */
export declare function generateJsonSchema(schema: SchemaModel, options?: XsdToJsonSchemaOptions): JsonSchemaDocument;
/**
 * P2: Stream JSON Schema generation as an `AsyncIterable<string>`.
 * Yields the JSON Schema serialised in chunks to avoid holding a large
 * in-memory string for schemas with many type definitions.
 *
 * @example
 * ```ts
 * import { createWriteStream } from 'fs';
 * const out = createWriteStream('schema.json');
 * for await (const chunk of generateJsonSchemaStream(schema)) {
 *   out.write(chunk);
 * }
 * out.end();
 * ```
 */
export declare function generateJsonSchemaStream(schema: SchemaModel, options?: XsdToJsonSchemaOptions): AsyncGenerator<string>;
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