/**
 * The `submit` tool: how a node with `output:` answers.
 *
 * A typed value is never parsed out of prose. The node's schema is published
 * as the tool's parameters, a call is checked against the same type by
 * `mismatch`, and what the node outputs is the call, not the text around it.
 * A call that does not match is refused back to the model, which can call
 * again within the same turn; a turn that ends with no accepted call fails
 * the node with `schema`.
 *
 * An accepted call ends the turn, as a recorded `verdict` does in a flow.
 * Measured with gemma-4-31b, three debaters in a loop: a turn left open after
 * its `submit` invented the rounds that had not happened yet and submitted
 * again for each, 96 tool calls in one round, until the answer reached the
 * output limit and failed the node with `provider`.
 */
import { type ToolDefinition } from "../../session.ts";
import { type ValueType } from "../type.ts";
/** The tool's name, which the runner adds to the agent's `tools:` for a typed node. */
export declare const SUBMIT_TOOL = "submit";
/** What a turn submitted: the value accepted, or why the last call was refused. */
export type Submission = {
    readonly ok: true;
    readonly value: unknown;
} | {
    readonly ok: false;
    readonly message: string;
};
/** The tool, and what was submitted through it since the last `take()`. */
export type SubmitTool = {
    readonly tool: ToolDefinition;
    /** The last value accepted, else the last refusal, else `undefined`; and forgets them. */
    take(): Submission | undefined;
};
/** A `submit` tool for values of `type`. One per subagent: the collector is how the value gets back. */
export declare function submitTool(type: ValueType): SubmitTool;
/** What a call to the tool carries for `value` of `type`: the value itself, or `{ value }`. */
export declare function submission(value: unknown, type: ValueType): unknown;
/** `type` as the JSON Schema a provider reads, descriptions kept for the model filling it. */
export declare function jsonSchema(type: ValueType): Record<string, unknown>;
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