import type { Static, TSchema } from "typebox";
import type { InteractionRenderArgs, InteractionRequestArgs, InteractiveStep } from "./types.ts";
type InferInput<TInputSchema extends TSchema | undefined> = TInputSchema extends TSchema ? Static<TInputSchema> : undefined;
/**
 * Configuration for a workflow-defined interaction rendered by the attended PI host.
 * @workflowCapability interactive
 */
export interface CreateInteractiveStepOptions<TInputSchema extends TSchema | undefined, TRequestSchema extends TSchema, TOutputSchema extends TSchema> {
    name: string;
    description?: string;
    /** Optional linear hand-off contract. Omit when the request uses only `ctx`. */
    input?: TInputSchema;
    /** Contract for the exact request persisted in the run log. */
    request: TRequestSchema;
    /** Contract for the response that becomes this step's output. */
    output: TOutputSchema;
    /** Pure, deterministic request construction. The engine invokes this once on a fresh execution. */
    buildRequest: (args: InteractionRequestArgs<InferInput<TInputSchema>>) => Static<TRequestSchema>;
    /** PI-host renderer. Returning `undefined` dismisses without resolving the blocked step. */
    render: (args: InteractionRenderArgs<Static<TRequestSchema>>) => Static<TOutputSchema> | undefined | Promise<Static<TOutputSchema> | undefined>;
}
/**
 * Create a resumable interactive step whose request and response types are inferred from TypeBox.
 *
 * The engine remains UI-free: it persists the request and returns `blocked`. Only an attended host
 * invokes `render`, after the engine call has ended. Offline callers can inspect the pending request
 * and submit a response directly without loading PI UI.
 *
 * @workflowCapability interactive
 */
export declare function createInteractiveStep<TInputSchema extends TSchema | undefined = undefined, TRequestSchema extends TSchema = TSchema, TOutputSchema extends TSchema = TSchema>(options: CreateInteractiveStepOptions<TInputSchema, TRequestSchema, TOutputSchema>): InteractiveStep;
export {};
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