import type { IV30LegacySessionGroupsDocument } from './v30_sessionlayoutitemrefs.js';
import type { TControllerSessionId } from '../dist_ts_interfaces/index.js';
export interface IProtocolV18LayoutMigrationResult {
    document: IV30LegacySessionGroupsDocument;
    migrated: boolean;
}
export interface IProtocolV18LegacySessionGroup {
    id: string;
    name: string;
    sessionIds: Array<TControllerSessionId | {
        harnessId: 'controller';
        nativeId: string;
    }>;
}
export interface IProtocolV18LegacySessionGroupsDocument extends Omit<IV30LegacySessionGroupsDocument, 'groups' | 'ungroupedSessionIds'> {
    groups: IProtocolV18LegacySessionGroup[];
    ungroupedSessionIds?: Array<TControllerSessionId | {
        harnessId: 'controller';
        nativeId: string;
    }>;
}
export declare const migrateProtocolV18SessionLayoutDocument: (valueArg: IProtocolV18LegacySessionGroupsDocument) => IProtocolV18LayoutMigrationResult;