import duckdb from '@duckdb/node-bindings';
import { DuckDBUBigIntType } from '../DuckDBType';
import { DuckDBVector } from './DuckDBVector';
import { DuckDBValidity } from './DuckDBValidity';
export declare class DuckDBUBigIntVector extends DuckDBVector<bigint> {
    private readonly items;
    private readonly validity;
    private readonly vector;
    constructor(items: BigUint64Array, validity: DuckDBValidity, vector: duckdb.Vector);
    static fromRawVector(vector: duckdb.Vector, itemCount: number): DuckDBUBigIntVector;
    get type(): DuckDBUBigIntType;
    get itemCount(): number;
    getItem(itemIndex: number): bigint | null;
    setItem(itemIndex: number, value: bigint | null): void;
    flush(): void;
    slice(offset: number, length: number): DuckDBUBigIntVector;
}