import { $TSContext } from '@aws-amplify/amplify-cli-core';
import { SpinningLogger } from './spinning-logger';
import { Plan } from './plan';
import { Gen1App } from './gen1-app';
import { AmplifyGen2MigrationValidations } from './validations';
export declare abstract class AmplifyMigrationStep {
    protected readonly logger: SpinningLogger;
    protected readonly gen1App: Gen1App;
    protected readonly context: $TSContext;
    protected readonly validations: AmplifyGen2MigrationValidations;
    constructor(logger: SpinningLogger, gen1App: Gen1App, context: $TSContext, validations: AmplifyGen2MigrationValidations);
    abstract forward(): Promise<Plan>;
    abstract rollback(): Promise<Plan>;
}
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