import { bus } from '../bus';
export declare abstract class Migrator {
    abstract addTable: (action: bus.ducks.addTable.Action) => Promise<boolean>;
    abstract dropTable: (action: string) => Promise<boolean>;
    abstract addColumn: (action: bus.ducks.addColumn.Action) => Promise<boolean>;
    abstract oneToOne: (action: bus.ducks.oneToOne.Action, schema: bus.Schema) => Promise<boolean>;
    abstract oneToMany: (action: bus.ducks.oneToMany.Action, schema: bus.Schema) => Promise<boolean>;
    abstract manyToMany: (action: bus.ducks.manyToMany.Action, schema: bus.Schema) => Promise<boolean>;
    abstract commit: (action: bus.ducks.commit.Action) => Promise<boolean>;
    abstract initialize: () => Promise<boolean>;
    abstract getCommits: () => Promise<{
        name: string;
        created_at: Date;
    }[]>;
    abstract beginTransaction: () => Promise<void>;
    abstract commitTransaction: () => Promise<void>;
    abstract rollbackTransaction: () => Promise<void>;
}