/**
 * Agent structured-output resolution.
 *
 * Turns the public `outputSchema` (a materialized `Schema<T>` or a raw JSON
 * Schema document) into the provider-neutral `RuntimeResponseFormat` the model
 * runtimes map to their native fields, plus the parser that turns the model's
 * text back into the typed `object` on the response.
 *
 * `responseFormat` stays internal vocabulary: callers only ever say
 * `outputSchema`.
 *
 * @module agent/output-schema
 */
import type { RuntimeResponseFormat } from "../provider/types.js";
/** A requested output schema paired with the parser that enforces it. */
export interface ResolvedAgentOutputSchema {
    readonly responseFormat: RuntimeResponseFormat;
    /** Parse and validate model text, or throw naming the failure. */
    parseOutput(text: string): Promise<unknown>;
}
export declare function attachOutputSchemaParser<TResponse extends object>(response: TResponse, outputSchema: ResolvedAgentOutputSchema | undefined): TResponse;
export declare function getOutputSchemaParser(response: unknown): ((text: string) => Promise<unknown>) | undefined;
/**
 * Resolve a configured or per-call `outputSchema`.
 *
 * Returns `undefined` only when no schema was requested. An unusable schema
 * throws instead: a requested schema is never dropped.
 */
export declare function resolveAgentOutputSchema(outputSchema: unknown, agentId: string): ResolvedAgentOutputSchema | undefined;
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