import { ColumnOptions } from 'typeorm/decorator/options/ColumnOptions';
export declare class DefaultMetadata {
    static getDefaultEngine(): string;
    static getColumnOptions(params: ColumnOptions): ColumnOptions;
    static getJsonDataType(): any;
    static getTextDataType(): any;
    static getLongTextDataType(): any;
    static getBlobDataType(): any;
    static getDecimalDataType(): any;
    static getBooleanDataType(): any;
    static getDatetimeDataType(): any;
}