/**
 * Queue presentation shared by the web queue surface and native docks: the
 * bounded head/tail previews of queued prompts, and the reorder plan and its
 * optimistic projection. No DOM, no React.
 */
import type { SessionQueueSnapshot, SessionTurn } from "@opengeni/sdk";
import { QUEUE_ITEM_CONTENT_UNAVAILABLE, queueItemContent } from "./components/queue-item-content.js";
import { type OpenGeniText } from "./messages/runtime.js";
export { QUEUE_ITEM_CONTENT_UNAVAILABLE, queueItemContent };
export declare const QUEUE_ROW_PREVIEW_CHARACTERS = 360;
export declare const QUEUE_COLLAPSED_PREVIEW_CHARACTERS = 180;
export type QueuePromptPreview = {
    summary: string;
    collapsedVisual: string;
    visibleStart: string;
    visibleIdentity: string | null;
    visibleIdentityLabel: string | null;
    isFallback: boolean;
};
export declare function queueTurnPreview(t: OpenGeniText, turn: SessionTurn | undefined, maxCharacters: number): QueuePromptPreview;
export declare function queueContentPreview(t: OpenGeniText, prompt: string, annotationCount: number, maxCharacters: number): QueuePromptPreview;
/**
 * Build a bounded head/tail summary of an arbitrary queued prompt. Sampling
 * both ends distinguishes prompts with equal long prefixes. Each sampled edge
 * has a small amount of grapheme context so ordinary emoji/combining sequences
 * can be retained whole. A cluster that exceeds that context is omitted rather
 * than fragmented, and malformed UTF-16 is replaced only in the summary. The
 * durable prompt remains exact and no operation scans or copies it in full.
 */
export declare function queuePromptPreview(t: OpenGeniText, prompt: string, maxCharacters: number): QueuePromptPreview;
/** Move one item, as dnd-kit's arrayMove does. */
export declare function moveQueueItem<T>(items: readonly T[], from: number, to: number): T[];
export type QueueMovePlan = {
    /** The turn ids in their new order. */
    turnIds: string[];
    /** The server anchor: the turn the moved one now precedes, null for last. */
    beforeTurnId: string | null;
    /** The bounded destination index. */
    index: number;
};
/** The reorder request for moving a queued turn to an index, or null for a no-op. */
export declare function queueMovePlan(queue: readonly SessionTurn[], turnId: string, nextIndex: number): QueueMovePlan | null;
export type PendingQueueMove = {
    baseVersion: number | null;
    turnIds: string[];
};
/**
 * The queue as shown while a move is in flight: the optimistic order, unless
 * any authoritative change arrived. A projection never omits or invents a row.
 */
export declare function projectPendingQueueMove(queue: SessionTurn[], pendingMove: PendingQueueMove | null, snapshot: Pick<SessionQueueSnapshot, "version"> | null): SessionTurn[];
/** Copy for the "replace your draft with this queued prompt" confirmation. */
export declare const QUEUE_REPLACE_DRAFT_COPY: (t: OpenGeniText) => {
    readonly title: string;
    readonly detail: string;
    readonly keep: string;
    readonly replace: string;
};
export type QueuedTurnPresentation = {
    kind: "prompt" | "realtime_voice" | "realtime_voice_handoff";
    text: string;
};
/** What a queued row shows: the prompt, or the transcript of a voice request. */
export declare function queuedTurnPresentation(t: OpenGeniText, turn: SessionTurn): QueuedTurnPresentation;
export declare function isSteeringTurn(turn: SessionTurn): boolean;
/** A queued turn that is really waiting: not already a steer in flight. */
export declare function isAuthoritativeQueuedTurn(turn: SessionTurn, mutationFor: (turnId: string) => string | null): boolean;
export declare function countAuthoritativeQueuedTurns(turns: readonly SessionTurn[], mutationFor: (turnId: string) => string | null): number;
/** The move anchors for one row's Move up / Move down. */
export declare function queueNeighborAnchors(turns: readonly SessionTurn[], index: number): {
    beforeUp: string | null;
    beforeDown: string | null;
};