import type { Settings } from "../config/settings.js";
import type { InternalResource, InternalUrl, InternalWriteResult, ProtocolHandler, SchemeHost, SchemeSpec, WriteContext } from "./types.js";
/**
 * Whether `out://` replies are on: an explicitly configured `out.enabled` wins; unset, they follow
 * `tuiTranscript` — on in the interactive TUI (terminal or Tern), off in print, RPC, ACP, and subagent
 * sessions, where no transcript draws them. Gates both the system-prompt entry and the writes.
 */
export declare function outRepliesActive(settings: Settings, tuiTranscript: boolean): boolean;
export declare class OutProtocolHandler implements ProtocolHandler {
    readonly scheme = "out";
    readonly spec: SchemeSpec;
    /** Advertised only where replies reach the user; see {@link SchemeHost.outReplies}. */
    promptDoc(host: SchemeHost): string | undefined;
    resolve(): Promise<InternalResource>;
    /**
     * Accept a reply; its transport draws it (see the module doc).
     * @throws ToolError when replies are off for the caller ({@link outRepliesActive}) or it is a subagent, or the
     *   content is blank or over 64 KiB.
     */
    write(_url: InternalUrl, content: string, context?: WriteContext): Promise<InternalWriteResult>;
}