import { EncodeStream } from '../encode-stream';
import { TypeAlias } from '../types/type-alias';
import { TypeRecord } from '../types/type-record';
import { ZedType } from '../types/types';
import { Field } from './field';
import { ZedValue, Value, JSOptions } from './types';
type ColumnName = string | string[];
export declare class Record implements Value {
    type: TypeRecord | TypeAlias;
    fields: Field[] | null;
    constructor(type: TypeRecord | TypeAlias, fields: Field[] | null);
    get null(): boolean;
    get flatColumns(): ColumnName[];
    get columns(): string[];
    get trueType(): TypeRecord;
    toString(): string;
    serialize(stream: EncodeStream): import("../zjson").Value[] | null;
    at(index: number | number[]): Value | null;
    fieldAt(index: number | number[]): null | Field;
    has(name: string | string[], ...types: ZedType[]): boolean;
    get<T extends ZedValue>(name: string | string[]): T;
    getField(name: string | string[]): Field | null;
    try<T extends ZedValue>(name: string | string[]): T | null;
    tryField(name: string | string[]): Field | null;
    private _getField;
    isUnset(): boolean;
    toJS(opts?: JSOptions): {
        [key: string]: any;
    } | null;
}
export {};