import type { SessionVisibility, SessionVisibilityWork } from "@opengeni/sdk";
export type SessionTenancyTarget = {
    workspaceId: string;
    sessionId: string;
};
export type PendingSessionVisibilityAttempt = SessionTenancyTarget & {
    visibility: SessionVisibility;
    expectedAuthorityEpoch: number;
    idempotencyKey: string;
};
export type PendingSessionForkAttempt = SessionTenancyTarget & {
    sourceEventId?: string | undefined;
    visibility: SessionVisibility;
    workspaceSharedAcknowledged: boolean;
    idempotencyKey: string;
};
export type SessionTenancyFailure = {
    kind: "blocker" | "active_work" | "stopping_work" | "epoch_conflict" | "idempotency_conflict" | "outcome_unknown" | "fork_point" | "other";
    message: string;
    retainAttempt: boolean;
    reconcile: boolean;
    /** For `active_work`: what a confirmed change would stop. */
    work?: SessionVisibilityWork | undefined;
};
export declare function sessionTenancyBlockerMessage(blocker: unknown): string | null;
export declare function sessionVisibilityWorkIsEmpty(work: SessionVisibilityWork): boolean;
/** One line per consequence of "make private anyway", in the order they happen. */
export declare function sessionVisibilityWorkSummary(work: SessionVisibilityWork): string[];
/** True when confirming stops something running, not only drops other people's access. */
export declare function sessionVisibilityWorkStopsWork(work: SessionVisibilityWork): boolean;
/** A preview from any server release, with fields an older one omits filled in. */
export declare function normalizeSessionVisibilityWork(work: unknown): SessionVisibilityWork | null;
/** The consented stop is still settling; the same request finishes it. */
export declare function isStoppingSessionWorkError(error: unknown): boolean;
/**
 * Making a session private hides its conversation, not its sandbox. Files on a
 * shared sandbox or Connected Machine stay as available as the box itself.
 */
export declare function privateSessionSandboxNote(sandboxBackend: string | null | undefined): string;
export declare function prepareSessionVisibilityAttempt(current: PendingSessionVisibilityAttempt | null, target: SessionTenancyTarget & {
    visibility: SessionVisibility;
    expectedAuthorityEpoch: number;
}, createIdempotencyKey: () => string): PendingSessionVisibilityAttempt;
export declare function isCurrentSessionTenancyTarget(current: SessionTenancyTarget, accepted: SessionTenancyTarget): boolean;
export declare function classifySessionTenancyFailure(error: unknown): SessionTenancyFailure;
export declare function retryableSessionTenancyReconciliationFailure(error: unknown): boolean;
export declare function visibilityAttemptReachedAuthoritativeState(attempt: PendingSessionVisibilityAttempt, tenancy: {
    visibility: SessionVisibility;
    authorityEpoch: number;
} | undefined): boolean;