import { SchemaIR } from "../types.js";
import { CodegenMode } from "./context.js";
//#region src/core/codegen/dedupe.d.ts
/** A shared slow-walk validator hosted at module scope. */
interface SharedSchemaRef {
  /** Name of the `function __zcSw_N(input, path, issues)` declaration. */
  readonly name: string;
}
interface SharedSchemaPlan {
  /**
   * Shared ref for an IR node, or undefined when the node is not a shared
   * candidate. Keyed by structural identity (memoized), so repeated lookups
   * during codegen are O(1).
   */
  refFor(ir: SchemaIR): SharedSchemaRef | undefined;
  /** Module-scope declarations (shared preamble + `__zcSw_N` functions). `""` when empty. */
  readonly code: string;
  /** Runtime helper names referenced by the shared block (lean mode). */
  readonly usedHelpers: Set<string>;
  readonly isEmpty: boolean;
}
/** Leading marker of a shared block; used to skip re-injection on watch/HMR re-runs. */
declare const SHARED_BLOCK_MARKER = "/* zod-compiler shared */";
/**
 * Build the shared-schema plan for one file's root schemas. Returns
 * {@link EMPTY_PLAN} (a no-op) when nothing repeats — the common case, so files
 * without internal duplication pay only a single linear analysis pass.
 */
declare function createSharedSchemaPlan(roots: readonly SchemaIR[], mode: CodegenMode): SharedSchemaPlan;
//#endregion
export { SHARED_BLOCK_MARKER, SharedSchemaPlan, SharedSchemaRef, createSharedSchemaPlan };
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