import { DuckDBLogicalType } from '../DuckDBLogicalType';
import { DuckDBTypeId } from '../DuckDBTypeId';
import { Json } from '../Json';
export declare abstract class BaseDuckDBType<T extends DuckDBTypeId> {
    readonly typeId: T;
    readonly alias?: string;
    protected constructor(typeId: T, alias?: string);
    toString(): string;
    toLogicalType(): DuckDBLogicalType;
    toJson(): Json;
}