/**
 * set-agent-engine — validates and writes the default model (the
 * `agent-engine` setting) for the caller's organization.
 */
import { type ActionRunContext } from "../../action.js";
import { type DefaultAgentEngineChangeMeta, type DefaultAgentEngineContext } from "../../agent/default-agent-engine.js";
import { type AgentEngineStatusResult } from "../../agent/engine-status.js";
import type { ActionTool } from "../../agent/types.js";
export declare const tool: ActionTool;
export declare const DEFAULT_MODEL_ADMIN_REQUIRED_ERROR_CODE = "default_model_admin_required";
export type SelectDefaultAgentEngineResult = {
    status: "selected";
    engine: string;
    model: string;
    requestedModel: string;
    label: string;
    scope: "org" | "user";
    appId?: string;
    effective: Pick<AgentEngineStatusResult, "configured" | "engine" | "model"> & {
        source?: "configuration" | "app-default" | "org" | "user" | "legacy" | "app_secrets" | "env";
    };
} | {
    status: "refused";
    message: string;
} | {
    status: "invalid";
    message: string;
} | {
    status: "missing-credentials";
    message: string;
} | {
    status: "unavailable";
    message: string;
};
export declare function resolveDefaultModelEffective(ctx: DefaultAgentEngineContext, appId: string | null, planned?: {
    sharedDefault?: {
        engine: string;
        model: string;
    };
    appDefault?: {
        engine: string;
        model: string;
    } | null;
}): Promise<Extract<SelectDefaultAgentEngineResult, {
    status: "selected";
}>["effective"]>;
export declare function effectiveConfigurationMessage(effective: Extract<SelectDefaultAgentEngineResult, {
    status: "selected";
}>["effective"], messages: {
    configurationOverride: string;
    configurationUnavailable: string;
}): string;
/**
 * Validate an engine/model pair and save it as the default for the caller's
 * scope. Shared by the `set` action and the provider-key save route so both
 * apply the same role check, validation, and audit record.
 */
export declare function selectDefaultAgentEngine(input: {
    engine?: string;
    model?: string;
    appId?: string;
}, meta: DefaultAgentEngineChangeMeta, ctx?: DefaultAgentEngineContext): Promise<SelectDefaultAgentEngineResult>;
export declare function run(args: Record<string, string>, context?: ActionRunContext): Promise<string>;