import type { ReplicationMode, TableColumn } from "typeorm";
import { MysqlDriver } from "typeorm/driver/mysql/MysqlDriver";
import { ColumnMetadata } from "typeorm/metadata/ColumnMetadata";
import { CDSMySQLSchemaBuilder } from "./schema-builder";
/**
 * typeorm driver for cds-mysql
 *
 * @internal
 */
export declare class CDSMySQLDriver extends MysqlDriver {
    /**
     * Creates a schema builder used to build and sync a schema.
     */
    createSchemaBuilder(): CDSMySQLSchemaBuilder;
    /**
     * Creates a query runner used to execute database queries.
     */
    createQueryRunner(mode: ReplicationMode): any;
    /**
     * Differentiate columns of this table and columns from the given column metadatas columns
     * and returns only changed.
     */
    findChangedColumns(tableColumns: TableColumn[], columnMetadataList: ColumnMetadata[]): ColumnMetadata[];
    /**
     * Normalizes "default" value of the column.
     */
    normalizeDefault(columnMetadata: ColumnMetadata): string | undefined;
}