type ColumnType = 'varchar' | 'integer' | 'boolean' | 'enum' | 'timestamp';
interface ColumnOption {
    type: ColumnType;
    length?: number;
    notNull?: string;
    autoIncrement?: string;
    default?: string | number | boolean | null;
    primary?: string;
    unique?: string;
    enum?: string[] | number[];
}
export declare class FluentTableBuilder {
    sql: string;
    queryies: {
        [db: string]: string[];
    };
    columns: Record<string, ColumnOption>;
    private column;
    private engineType;
    private charsetType;
    private dbName;
    private dbType;
    private tableName;
    constructor(tableName: string, dbName: string);
    set(opt?: {
        db?: string;
        table?: string;
    }): this;
    engine(engine: 'InnoDB' | 'MyISAM' | 'MEMORY' | 'CSV' | 'ARCHIVE'): this;
    charset(charset: string): this;
    id(nameOrLength?: string | number, length?: number): this;
    string(name: string, length: number): this;
    integer(name: string, length: number): this;
    bool(name: string): this;
    enum(name: string, values: any[]): this;
    timestamps(): this;
    primary(): this;
    unique(): this;
    notNULL(): this;
    nullable(): this;
    private auto_increment;
    default(value: any): this;
    toSQL(): string;
    build(): Promise<void>;
    static checkTableExists(db: any, dbType: 'mysql' | 'postgresql' | 'sqlite', tableName: string): Promise<boolean>;
}
export {};