import type { Session as SessionDetails } from "../types.js";
import type { GetSessionOptions } from "@opengeni/sdk/browser";
import type { RailSession as Session } from "./session-list-entry.js";
type SessionChannelPointReadClient = {
    getSession: (workspaceId: string, sessionId: string, options?: GetSessionOptions) => Promise<SessionDetails>;
};
export type SessionChannelMoveOverride = Readonly<{
    channelId: string | null;
    operation: number;
    committed: boolean;
}>;
export type SessionChannelMoveOverrides = ReadonlyMap<string, SessionChannelMoveOverride>;
/** Await a detail-read generation whose network request starts after this call. */
export declare function readSessionChannelMovePoint(client: SessionChannelPointReadClient, workspaceId: string, sessionId: string, onRequestStart?: () => void): Promise<SessionDetails>;
/** Project one in-flight or committed move over a possibly stale list row. */
export declare function applySessionChannelMove<T extends Session>(session: T, override: SessionChannelMoveOverride | undefined): T;
/** Install the destination before the network request starts. */
export declare function beginSessionChannelMove(current: SessionChannelMoveOverrides, sessionId: string, channelId: string | null, operation: number): SessionChannelMoveOverrides;
/**
 * Preserve the successful write response over stale list requests that began
 * before the mutation committed. A superseded operation cannot replace a
 * newer projection.
 */
export declare function commitSessionChannelMove(current: SessionChannelMoveOverrides, sessionId: string, channelId: string | null, operation: number): SessionChannelMoveOverrides;
/** Roll back only the exact failed operation, never a newer move. */
export declare function rollbackSessionChannelMove(current: SessionChannelMoveOverrides, sessionId: string, operation: number): SessionChannelMoveOverrides;
/** Retire an exact pending overlay when newer server evidence rejects its response. */
export declare function discardRejectedSessionChannelMove(current: SessionChannelMoveOverrides, sessionId: string, operation: number): SessionChannelMoveOverrides;
/**
 * Drop committed overlays only after a server list projection confirms the
 * destination. Pending moves and rows omitted by pagination stay projected.
 */
export declare function reconcileSessionChannelMoves(current: SessionChannelMoveOverrides, authoritativeSessions: readonly Session[]): SessionChannelMoveOverrides;
/**
 * Reconcile a committed optimistic move with an accepted exact point read
 * started after the write. Persistent read authority now owns either the
 * matching destination or a newer cross-client destination, so the temporary
 * priority overlay must retire in both cases. A missing session retires it too.
 */
export declare function reconcileSessionChannelMovePointRead(current: SessionChannelMoveOverrides, sessionId: string, operation: number, _authoritative: Pick<Session, "channelId"> | null): SessionChannelMoveOverrides;
export {};