import type { MigrationContext, ReversibleMigration } from '../migration-types';
export declare class CreateWorkflowReviewActivityTablesAndBaseline1785843640527 implements ReversibleMigration {
    up(context: MigrationContext): Promise<void>;
    down(context: MigrationContext): Promise<void>;
    private createActivityTable;
    private createCommentTable;
    private addBaselineVersionColumn;
    private addAuthorsUserIndex;
    private dropAuthorsUserIndex;
    private dropBaselineVersionColumn;
}