import { z } from "zod";
type BaseSchema = z.core.JSONSchema.BaseSchema;
/**
 * Converts a Zod schema to JSON Schema suitable for prompt-time usage.
 * - Recursively unwraps transform nodes by converting the inner (input) schema
 * - Uses io: "input" so prompt schemas reflect input shape
 * - Fails hard if conversion throws or produces an empty schema
 */
export declare function toJSONSchemaPromptSafe(schema: z.ZodType): BaseSchema;
export {};
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