/**
 * Pure IR → JSON Schema converter.
 * Converts IRType and IRValue to Draft-07 JSON Schema for OpenAPI/Anthropic/Vercel tool schemas.
 */
import type { IRType, IRValue, IRParameter } from '../ir';
import type { JsonSchema } from './types';
/**
 * Convert an IRType to a minimal Draft-07 JSON Schema.
 *
 * Rules:
 * - Primitive scalar types → corresponding JSON type
 * - Array<T> → { type: 'array', items: <schema for T> }
 * - Nullable type → oneOf with null (permissive, includes the base type)
 * - Date/DateTime → string with date-time format
 * - Email → string with email format
 * - URL → string with uri format
 * - Unknown type name → { type: 'string' } (permissive best-effort)
 */
export declare function irTypeToJsonSchema(type: IRType): JsonSchema;
/**
 * Convert an array of IRParameters to a JSON Schema object with properties + required.
 */
export declare function irParametersToJsonSchema(params: IRParameter[]): JsonSchema;
/**
 * Convert an IRValue to a plain JSON value.
 * Used for populating schema default values.
 */
export declare function irValueToJson(v: IRValue): unknown;
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