import type { MeterProvider } from "@opentelemetry/api";
import type { InteractiveModeContext } from "../types.js";
/** Most alternatives one request asks for and the composer offers. */
export declare const MAX_PREDICTION_CHOICES = 4;
type PredictionContext = Pick<InteractiveModeContext, "settings" | "viewSession" | "focusedAgentId" | "editor" | "ui">;
/**
 * Normalize a prediction reply to the single line the composer shows, or
 * `undefined` when the model skipped, rambled, or replied with nothing usable.
 */
export declare function parseComposerPrediction(reply: string): string | undefined;
/**
 * Normalize an alternatives reply (one message per line, most likely first) to at most `max` distinct
 * lines, or `undefined` when the model skipped or nothing usable remains. List markers and wrapping
 * quotes are stripped per line; a leading preamble line ending in a colon, lines that ramble, repeat an
 * earlier one up to case and punctuation, or carry the skip reply are dropped.
 */
export declare function parseComposerPredictions(reply: string, max: number): string[] | undefined;
/**
 * Composer predictions: once a turn completes, run an ephemeral side turn on
 * the session's model and context (the same prompt prefix, so it reads the
 * prompt cache) asking for the user's likely next message, or with
 * `composer.predictionAlternatives` up to four of them, then offer them in the
 * empty composer. Tab or Right inserts one; nothing is sent.
 */
export declare class ComposerPredictionController {
    #private;
    constructor(ctx: PredictionContext, options?: {
        deadlineMs?: number;
        meterProvider?: MeterProvider;
    });
    /** The prediction's alternatives for the conversation as it stands now, most likely first, if one is ready. */
    get choices(): readonly string[] | undefined;
    /** Predict the next message for the turn that just completed, superseding any earlier prediction. */
    request(): void;
    /** The composer painted the current prediction; its first painted frame counts it as shown. */
    shown(): void;
    /** The user inserted the alternative at `rank` (Tab or Right); the last insert before retirement counts. */
    accepted(rank: number): void;
    /** Abort an in-flight prediction and retire the shown one. */
    cancel(): void;
}
export {};