import type { AgentNodeDefinition, WorkflowEdge, WorkflowNodeContext } from "./types.js";
type DecisionAgentOptions = Omit<AgentNodeDefinition, "nodeType" | "prompt" | "expectedOutput" | "validate">;
export type DecisionDefinition<TChoice extends string> = DecisionAgentOptions & {
    question: string | ((context: WorkflowNodeContext) => string | Promise<string>);
    choices: readonly TChoice[];
    field?: string;
};
/**
 * Build an `agent` node that asks the model to pick one of `choices` and
 * submit a JSON object whose chosen field is validated. Pair with
 * `decisionEdge` (or any `switch` edge keyed on `$.<field>`) to route on the
 * result.
 */
export declare function decision<TChoice extends string>(definition: DecisionDefinition<TChoice>): AgentNodeDefinition;
/**
 * Build the matching `switch` edge for a `decision` node. Typing `cases` as
 * `Record<TChoice, string>` makes a missing case a compile error.
 */
export declare function decisionEdge<TChoice extends string>(args: {
    from: string;
    choices: readonly TChoice[];
    field?: string;
    cases: Record<TChoice, string>;
}): WorkflowEdge;
export {};