import { FormatHandle, Formatter, FormatType } from '../../../formatter/formatter';
import { AlterTableAddColumnSql, AlterTableAddForeignKeySql, AlterTableAddPrimaryKeySql, AlterTableDropColumnSql, AlterTableDropConstraintSql, AlterTableRenameSql } from './alter-table-sql';
import { FormatContext } from '../../../formatter/format-context';
export declare class AlterTableAddColumnFormatter implements FormatHandle<AlterTableAddColumnSql> {
    type: FormatType;
    canHandle(param: any): boolean;
    handle(param: AlterTableAddColumnSql, ctx: FormatContext, formatter: Formatter): string;
}
export declare class AlterTableRenameFormatter implements FormatHandle<AlterTableRenameSql> {
    type: FormatType;
    canHandle(param: any): boolean;
    handle(param: AlterTableRenameSql, ctx: FormatContext, formatter: Formatter): string;
}
export declare class AlterTableDropColumnFormatter implements FormatHandle<AlterTableDropColumnSql> {
    type: FormatType;
    canHandle(param: any): boolean;
    handle(param: AlterTableDropColumnSql, ctx: FormatContext, formatter: Formatter): string;
}
export declare class AlterTableDropConstraintFormatter implements FormatHandle<AlterTableDropConstraintSql> {
    type: FormatType;
    canHandle(param: any): boolean;
    handle(param: AlterTableDropConstraintSql, ctx: FormatContext, formatter: Formatter): string;
}
export declare class AlterTableAddForeignKeyFormatter implements FormatHandle<AlterTableAddForeignKeySql<any>> {
    type: FormatType;
    canHandle(param: any): boolean;
    handle(param: AlterTableAddForeignKeySql<any>, ctx: FormatContext, formatter: Formatter): string;
    private formatKeys;
}
export declare class AlterTableAddPrimaryKeyFormatter implements FormatHandle<AlterTableAddPrimaryKeySql> {
    type: FormatType;
    canHandle(param: any): boolean;
    handle(param: AlterTableAddPrimaryKeySql, ctx: FormatContext, formatter: Formatter): string;
    private formatKeys;
}