import { type LocalProtocolOptions } from "../internal-urls/index.js";
/** The session's active plan, resolved for handoff into a subagent's context. */
export interface OverallPlanReference {
    /** The `local://` reference path (e.g. `local://my-feature.md`), kept for display. */
    path: string;
    /** The full plan markdown, as written to disk. */
    content: string;
}
/**
 * Load the session's active overall plan for subagent handoff.
 *
 * Returns the plan referenced by `planReferencePath` when it exists on disk with
 * non-empty content, or `undefined` when there is no plan (the file is absent or
 * empty). This mirrors `AgentSession.#buildPlanReferenceMessage`'s gating so a
 * subagent sees exactly the plan the main agent treats as its active reference.
 *
 * Callers MUST skip this during plan mode itself — read-only plan exploration
 * uses a different prompt and a draft plan should not be handed off as approved.
 */
export declare function loadOverallPlanReference(planReferencePath: string, localProtocolOptions: LocalProtocolOptions): Promise<OverallPlanReference | undefined>;