import { type MetaData, type ResponseFormat } from "@metaobjectsdev/metadata";
/** What an inbound generator needs about one responding prompt. */
export interface InboundShape {
    /** The resolved response value-object — the shape a reply is parsed INTO. */
    readonly vo: MetaData;
    /** The `@responseRef` string as authored (bare or fully-qualified). */
    readonly ref: string;
    /**
     * The syntax of the REPLY (ADR-0053) — never the template's `@format`, which is
     * the syntax of the rendered prompt BODY. The two genuinely differ.
     */
    readonly format: ResponseFormat;
}
/**
 * Every `template.prompt` that declares a response shape, in declaration order.
 *
 * The gate is `@responseRef` PRESENCE, not a format value: declaring a response
 * shape is the request for a parser. Gating on `@format` was what let a `text`
 * template get a strict parser but no tolerant extract, and — because `@format`
 * defaults to `text` — would silently emit nothing at all after the re-homing.
 *
 * ADR-0039: resolving accessors throughout. A root has no super, but a template
 * may inherit `@responseRef` from an abstract base via `extends`, and three
 * shipped fixtures rely on exactly that.
 */
export declare function inboundTemplates(root: MetaData): MetaData[];
/**
 * Resolve a prompt's response value-object and reply syntax.
 *
 * Returns `undefined` when the template declares no `@responseRef` or the ref does
 * not resolve — callers skip rather than throw, matching the pre-ADR-0052 contract
 * for an unresolvable payload ref.
 */
export declare function responseShape(root: MetaData, tmpl: MetaData): InboundShape | undefined;
/**
 * The declared reply syntax, defaulted per ADR-0053.
 *
 * The default is `json` because that reproduces the trace helper's pre-ADR-0053
 * fallback exactly (anything that was not `"xml"` was treated as JSON), which is
 * what makes the attribute's introduction behaviour-preserving rather than a new
 * policy.
 */
export declare function responseFormatOf(tmpl: MetaData): ResponseFormat;
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