import { GenerateTypeUtils } from "../converter/BaseConverter.js";
import { IRNode } from "../types.js";
import type { KotlinConverterContext } from "./KotlinConverter.js";
/**
 * Emits a Kotlin `sealed interface` plus per-variant `data class` declarations
 * for a discriminated union, registering them in `c.sealedDecls`. Idempotent
 * for nested visits: re-emitting the same interface or variant short-circuits.
 */
export declare function emitSealedInterface(c: KotlinConverterContext, ir: IRNode, utils: GenerateTypeUtils): string;
/** Derives the Kotlin sealed-interface name for a union IR node. */
export declare function deriveSealedName(c: KotlinConverterContext, ir: IRNode): string;
/**
 * Substring-scans `c.sealedDecls` for an existing declaration matching the
 * given name. Used to detect prior emission so the orchestrator can skip the
 * regular ref-types path for sealed variants.
 */
export declare function sealedDeclsContainsName(c: KotlinConverterContext, name: string): boolean;