import { IUniversalConverterOptions, ModelToSqlConverter, ValueConverter, ObjectToSqlConverter, IColumnDescriptor, IModelDescriptor } from './interfaces.js';
import { ModelBase } from './model.js';
export declare class JsonValueConverter extends ValueConverter {
    /**
     * Converts value to database type
     *
     * @param value - value to convert
     */
    toDB(value: any): any;
    /**
     * Converts value from database type eg. mysql timestamp to DateTime
     *
     * @param value - value to convert
     */
    fromDB(value: any): any;
}
/**
 * UUid converter to & from db as binary
 */
export declare class UuidConverter extends ValueConverter {
    toDB(value: string): Buffer<ArrayBuffer> | null;
    fromDB(value: Buffer | string): string | null;
}
/**
 * Universal converter for "type column" tables - text columns whose runtime
 * type is decided by a sibling column (named by `options.TypeColumn`).
 *
 * Values are stored & read in canonical form: numbers as decimal text, booleans
 * as `'true'` / `'false'`, dates / times / datetimes as ISO 8601, json as JSON.
 */
export declare class UniversalValueConverter extends ValueConverter {
    toDB(value: any, model: ModelBase, _column: IColumnDescriptor, options: IUniversalConverterOptions): any;
    fromDB(value: any, raw: any, options: IUniversalConverterOptions): any;
}
export declare class StandardModelToSqlConverter extends ModelToSqlConverter {
    toSql(model: ModelBase<unknown>): unknown;
}
export declare class StandardObjectToSqlConverter extends ObjectToSqlConverter {
    toSql(model: unknown, descriptor: IModelDescriptor): unknown;
}
//# sourceMappingURL=converters.d.ts.map