import { OptionalIR, SchemaIR } from "../../types.js";
import { FastGen, SlowGen } from "../context.js";
//#region src/core/codegen/schemas/optional.d.ts
/**
 * Zod's `.optional()` short-circuits `undefined → undefined`, EXCEPT when its
 * inner chain applies a default to undefined: `z.string().default("d").optional()`
 * yields "d", not undefined (the default fires THROUGH the optional, and through
 * any nullable/optional wrappers between them — `default().nullish()`,
 * `default().optional().nullable()`, ...). Only `default` consumes undefined into
 * a value; `catch`, object-field defaults, and plain types do not, so the optional
 * legitimately short-circuits there. Peel optional/nullable wrappers to decide.
 */
declare function innerAppliesDefaultOnUndefined(ir: SchemaIR): boolean;
declare function slowOptional(ir: SchemaIR & {
  type: "optional";
}, g: SlowGen): string;
declare function fastOptional(ir: OptionalIR, g: FastGen): string | null;
//#endregion
export { fastOptional, innerAppliesDefaultOnUndefined, slowOptional };
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