import type { LegModBus } from "./mods/stations.js";
/** The named sections whose entries the host may dispose of — a closed set (the event's `name`). */
export declare const DISPOSABLE_PROMPT_SECTIONS: readonly ["core/discovery.mcp-instructions"];
export type DisposablePromptSection = (typeof DISPOSABLE_PROMPT_SECTIONS)[number];
/** One entry of a named section, as the engine computed it, before it reaches the model. */
export interface PromptSectionEntry {
    readonly section: DisposablePromptSection;
    /** The entry's key within the section: the MCP server's declared name. */
    readonly server: string;
    /** The text the engine would place: the server's `instructions`, already neutralized. */
    readonly text: string;
    /** The tools this leg mounted from that server, by their namespaced names. */
    readonly mountedTools: readonly string[];
}
/** Who wrote the text an entry carries into the model's view. */
export type PromptSectionAuthor = "server" | "host";
/** One server's entry of the MCP instructions section as the run carries it, after the host's disposition. */
export interface McpInstructionsEntry {
    readonly server: string;
    readonly text: string;
    readonly author: PromptSectionAuthor;
}
/** What one disposition leaves in the run: the entry's text and author, absent when dropped, plus the defect
 *  sentence when an answer could not be taken. */
export interface DisposedSectionEntry {
    readonly kept?: {
        readonly text: string;
        readonly author: PromptSectionAuthor;
    };
    readonly defect?: string;
}
/** The disposition the dial reads: one entry in, its disposition out. */
export type PromptSectionDisposer = (entry: PromptSectionEntry) => Promise<DisposedSectionEntry>;
/**
 * The disposer over the leg's bus, or undefined when no handler hangs on `prompt.section` (the dial then keeps
 * every entry as computed, with nothing raised).
 */
export declare function sectionDisposerOf(bus: LegModBus | undefined, signal?: AbortSignal): PromptSectionDisposer | undefined;
/** One entry's disposition at its dial: the leg's disposer when one is wired, else the entry as the engine computed it. */
export declare function disposeSectionEntry(disposer: PromptSectionDisposer | undefined, entry: PromptSectionEntry): Promise<DisposedSectionEntry>;
/** The operator warning for an answer the station could not take. */
export declare function sectionAnswerWarning(defect: string): Error;