import type { SessionBrowseGroupBy, SessionBrowseSortBy } from "./sessions-group.js";
/** "needs-you" is the Active list narrowed to workstreams waiting on the person. */
export type SessionBrowseStatus = "active" | "needs-you" | "archived" | "all";
export type SessionBrowsePreferences = {
    groupBy: SessionBrowseGroupBy;
    sortBy: SessionBrowseSortBy;
    status: SessionBrowseStatus;
    /** Only workstreams the person started or messaged. */
    mineOnly: boolean;
    showEmptyGroups: boolean;
};
export declare const DEFAULT_SESSION_BROWSE_PREFERENCES: SessionBrowsePreferences;
/**
 * True only when the view differs from the default. The default view must not
 * look filtered: a new person with no sessions sees the real empty state, not
 * "No sessions match this view".
 */
export declare function sessionBrowsePreferencesCustomized(value: SessionBrowsePreferences): boolean;
type BrowsePreferenceStorage = Pick<Storage, "getItem" | "setItem">;
export declare function sessionBrowsePreferenceStorageId(subjectId: string, workspaceId?: string): string;
export declare function readSessionBrowseGroupBy(preferenceStorageId: string, storage?: BrowsePreferenceStorage | null): SessionBrowseGroupBy;
export declare function writeSessionBrowseGroupBy(preferenceStorageId: string, groupBy: SessionBrowseGroupBy, storage?: BrowsePreferenceStorage | null): void;
export declare function readSessionBrowsePreferences(id: string, storage?: BrowsePreferenceStorage | null): SessionBrowsePreferences;
export declare function writeSessionBrowsePreferences(id: string, value: SessionBrowsePreferences, storage?: BrowsePreferenceStorage | null): void;
export {};