import type { ColumnDataMap } from "../../data/view-reader";
import type { WebGLContextManager } from "../../webgl/context-manager";
import { CategoricalYChart } from "../common/categorical-y-chart";
import { type CandleColumns, type CandleSeriesInfo, type NumericCategoryDomain } from "./candlestick-build";
import { BodyWickGlyph } from "./glyphs/draw-candlesticks";
import { OHLCGlyph } from "./glyphs/draw-ohlc";
/**
 * Per-frame memo of the auto-fit Y extent for a {@link CandlestickChart},
 * keyed on the visible X window. Hover-only redraws hit the cache.
 */
export interface CandlestickAutoFitCache {
    xMin: number;
    xMax: number;
    min: number;
    max: number;
    hasFit: boolean;
}
export interface CandlestickLocations {
    u_proj_left: WebGLUniformLocation | null;
    u_proj_right: WebGLUniformLocation | null;
    u_hover_series: WebGLUniformLocation | null;
    a_corner: number;
    a_x_center: number;
    a_half_width: number;
    a_y0: number;
    a_y1: number;
    a_color: number;
    a_series_id: number;
    a_axis: number;
}
/**
 * Candlestick / OHLC chart. Both plugins (`y-candlestick`, `y-ohlc`)
 * share this class — the only per-plugin difference is
 * `_defaultChartType` (`"candlestick"` vs `"ohlc"`), which
 * {@link renderCandlestickFrame} uses to pick the glyph draw function.
 *
 * Fields are package-internal (no `private`) so helper modules in this
 * folder can read/write them.
 */
export declare class CandlestickChart extends CategoricalYChart {
    _locations: CandlestickLocations | null;
    _splitPrefixes: string[];
    _series: CandleSeriesInfo[];
    /**
     * Columnar candle records. Indexed in `[0, _candles.count)`.
     * Replaces the legacy `CandleRecord[]` to avoid per-record POJO
     * allocation on data load.
     */
    _candles: CandleColumns;
    _yDomain: {
        min: number;
        max: number;
    };
    /**
     * `domain_mode: "expand"` accumulators. Hold the running union of
     * the value-axis (and, in numeric-category mode, category-axis)
     * extent across data loads. Cleared in `resetExpandedDomain` —
     * wired from the worker's `resetAllZooms` and from view-config
     * mutations on `AbstractChart`. `null` whenever the option is
     * `"fit"` or the accumulator has just been cleared.
     */
    _expandedYDomain: {
        min: number;
        max: number;
    } | null;
    _expandedCategoryDomain: {
        min: number;
        max: number;
    } | null;
    /**
     * Numeric category-axis state (single non-string group_by).
     */
    _categoryAxisMode: "category" | "numeric";
    _numericCategoryDomain: NumericCategoryDomain | null;
    _categoryPositions: Float64Array | null;
    _lastCatTicks: number[] | null;
    /**
     * Origin used to rebase candle xCenters before f32 narrowing — see {@link SeriesChart._categoryOrigin}.
     */
    _categoryOrigin: number;
    /**
     * Gradient-sampled colors for the up (close ≥ open) / down sides.
     * Cached via `_upDownColorKey` — only `restyle()` (which clears the
     * theme cache) or a data load forces re-sampling.
     */
    _upColor: [number, number, number];
    _downColor: [number, number, number];
    /**
     * Identity of the gradient-stops reference last used to sample the
     * up/down colors. When this matches the current `theme.gradientStops`
     * reference, `ensureUpDownColors` short-circuits.
     */
    _upDownColorKey: unknown;
    _hoveredIdx: number;
    _pinnedIdx: number;
    /**
     * Typed glyph composition. Each glyph owns its own program cache
     * and persistent vertex buffers privately; the chart routes
     * draw/rebuild/invalidate via `_glyphs`. `_defaultChartType`
     * (`"candlestick"` vs `"ohlc"`) selects which glyph the frame
     * builder dispatches to.
     */
    readonly _glyphs: {
        readonly bodyWick: BodyWickGlyph;
        readonly ohlc: OHLCGlyph;
    };
    /**
     * Auto-fit the price (Y) axis to the `low`/`high` extent of
     * candles whose `xCenter` falls inside the visible X window. Pairs
     * with the locked Y axis: the lock means user input can't zoom Y
     * directly, auto-fit is what actually moves it as the user scrolls
     * through time. Default: on (financial-chart convention).
     */
    _autoFitValue: boolean;
    /**
     * Per-frame memo of the auto-fit Y extent keyed on the visible X
     * window. Hover-only redraws (X window unchanged) hit the cache.
     * Reset to null on data upload.
     */
    _autoFitCache: CandlestickAutoFitCache | null;
    protected tooltipCallbacks(): {
        onHover: (mx: number, my: number) => void;
        onLeave: () => void;
        onPin: (mx: number, my: number) => void;
        onUnpin: () => void;
    };
    /**
     * Resolve a clicked candle into a `PerspectiveClickDetail` and
     * emit both `perspective-click` and
     * `perspective-global-filter selected:true`.
     *
     * One candle per (catIdx, splitIdx). Like the series pipeline,
     * `catIdx + _rowOffset` is the source-view row; the column name is
     * the Close column (the canonical "y" target for OHLC). Group-by
     * values come from `_rowPaths`; split-by values come from
     * `_splitPrefixes[splitIdx]` split on `|`.
     */
    private _emitCandleClickSelect;
    invalidateTheme(): void;
    uploadAndRender(glManager: WebGLContextManager, columns: ColumnDataMap, startRow: number, endRow: number): Promise<void>;
    _fullRender(glManager: WebGLContextManager): void;
    resetExpandedDomain(): void;
    protected destroyInternal(): void;
}