import duckdb from '@duckdb/node-bindings';
import { DuckDBTimestampNanosecondsType } from '../DuckDBType';
import { DuckDBTimestampNanosecondsValue } from '../values';
import { DuckDBVector } from './DuckDBVector';
import { DuckDBValidity } from './DuckDBValidity';
export declare class DuckDBTimestampNanosecondsVector extends DuckDBVector<DuckDBTimestampNanosecondsValue> {
    private readonly items;
    private readonly validity;
    private readonly vector;
    constructor(items: BigInt64Array, validity: DuckDBValidity, vector: duckdb.Vector);
    static fromRawVector(vector: duckdb.Vector, itemCount: number): DuckDBTimestampNanosecondsVector;
    get type(): DuckDBTimestampNanosecondsType;
    get itemCount(): number;
    getItem(itemIndex: number): DuckDBTimestampNanosecondsValue | null;
    setItem(itemIndex: number, value: DuckDBTimestampNanosecondsValue | null): void;
    flush(): void;
    slice(offset: number, length: number): DuckDBTimestampNanosecondsVector;
}