import type { firestore } from 'firebase-admin';
import type { BatchCallback, MigrationPredicate, MigrationResult, Migrator, SetDataGetter, SetOptions, SetPartialDataGetter, Traverser, UpdateDataGetter, UpdateFieldValueGetter } from '../../../api';
export type RegisteredCallbacks<AppModelType = firestore.DocumentData, DbModelType extends firestore.DocumentData = firestore.DocumentData> = {
    onBeforeBatchStart?: BatchCallback<AppModelType, DbModelType>;
    onAfterBatchComplete?: BatchCallback<AppModelType, DbModelType>;
};
export declare abstract class AbstractMigrator<AppModelType = firestore.DocumentData, DbModelType extends firestore.DocumentData = firestore.DocumentData> implements Migrator<AppModelType, DbModelType> {
    protected readonly registeredCallbacks: RegisteredCallbacks<AppModelType, DbModelType>;
    protected readonly migrationPredicates: MigrationPredicate<AppModelType, DbModelType>[];
    protected constructor(registeredCallbacks?: RegisteredCallbacks<AppModelType, DbModelType>, migrationPredicates?: MigrationPredicate<AppModelType, DbModelType>[]);
    protected get firestoreInstance(): firestore.Firestore;
    protected get firestoreConstructor(): typeof firestore;
    onBeforeBatchStart(callback: BatchCallback<AppModelType, DbModelType>): void;
    onAfterBatchComplete(callback: BatchCallback<AppModelType, DbModelType>): void;
    deleteField(field: string | firestore.FieldPath): Promise<MigrationResult>;
    deleteFields(...fields: (string | firestore.FieldPath)[]): Promise<MigrationResult>;
    renameField(oldField: string | firestore.FieldPath, newField: string | firestore.FieldPath): Promise<MigrationResult>;
    renameFields(...changes: [oldField: string | firestore.FieldPath, newField: string | firestore.FieldPath][]): Promise<MigrationResult>;
    protected migrateWithTraverser(migrateBatch: (batchDocs: firestore.QueryDocumentSnapshot<AppModelType, DbModelType>[]) => Promise<number>): Promise<MigrationResult>;
    protected shouldMigrateDoc(doc: firestore.QueryDocumentSnapshot<AppModelType, DbModelType>): boolean;
    abstract readonly traverser: Traverser<AppModelType, DbModelType>;
    abstract withPredicate(predicate: MigrationPredicate<AppModelType, DbModelType>): Migrator<AppModelType, DbModelType>;
    abstract withTraverser(traverser: Traverser<AppModelType, DbModelType>): Migrator<AppModelType, DbModelType>;
    abstract set(data: firestore.PartialWithFieldValue<AppModelType>, options: SetOptions): Promise<MigrationResult>;
    abstract set(data: firestore.WithFieldValue<AppModelType>): Promise<MigrationResult>;
    abstract setWithDerivedData(getData: SetPartialDataGetter<AppModelType, DbModelType>, options: SetOptions): Promise<MigrationResult>;
    abstract setWithDerivedData(getData: SetDataGetter<AppModelType, DbModelType>): Promise<MigrationResult>;
    abstract update(data: firestore.UpdateData<DbModelType>, precondition?: firestore.Precondition): Promise<MigrationResult>;
    abstract update(field: string | firestore.FieldPath, value: any, ...moreFieldsOrPrecondition: any[]): Promise<MigrationResult>;
    abstract updateWithDerivedData(getData: UpdateDataGetter<AppModelType, DbModelType>, precondition?: firestore.Precondition): Promise<MigrationResult>;
    abstract updateWithDerivedData(getData: UpdateFieldValueGetter<AppModelType, DbModelType>): Promise<MigrationResult>;
}