import type { Bar } from '../types';
export type SeriesExtractor = (bar: Bar, index: number, data: Bar[]) => number;
export declare class BarData {
    private _bars;
    private _version;
    constructor(bars?: Bar[]);
    get version(): number;
    get bars(): Bar[];
    get length(): number;
    push(bar: Bar): void;
    pop(): Bar | undefined;
    set(index: number, bar: Bar): void;
    updateLast(bar: Bar): void;
    setAll(bars: Bar[]): void;
    invalidate(): void;
    at(index: number): Bar | undefined;
    static from(bars: Bar[]): BarData;
}
export declare class Series {
    private extractor;
    private dataSource;
    private cached;
    private cachedVersion;
    constructor(data: Bar[] | BarData, extractor: SeriesExtractor);
    get bars(): Bar[];
    get barData(): BarData;
    static fromBars(bars: Bar[] | BarData, field: 'open' | 'high' | 'low' | 'close' | 'volume'): Series;
    static constant(bars: Bar[] | BarData, value: number): Series;
    static fromArray(bars: Bar[] | BarData, values: number[]): Series;
    add(other: Series | number): Series;
    sub(other: Series | number): Series;
    mul(other: Series | number): Series;
    div(other: Series | number): Series;
    mod(other: Series | number): Series;
    neg(): Series;
    gt(other: Series | number): Series;
    gte(other: Series | number): Series;
    lt(other: Series | number): Series;
    lte(other: Series | number): Series;
    eq(other: Series | number): Series;
    neq(other: Series | number): Series;
    and(other: Series | number): Series;
    or(other: Series | number): Series;
    not(): Series;
    iff(trueValue: Series | number, falseValue: Series | number): Series;
    offset(offset: number): Series;
    toArray(): number[];
    materialize(): Series;
    _invalidate(): void;
    _compute(): number[];
    get(index: number): number;
    last(): number;
    length(): number;
    toTimeValuePairs(): Array<{
        time: any;
        value: number;
    }>;
}
//# sourceMappingURL=series.d.ts.map