/**
 * Field names attached by flame utilities to each datapoint before handing the
 * row to XYChart. Kept as constants so accessors passed to XYChart and reads
 * inside tooltips stay in lockstep.
 */
/** Depth of the frame in the call tree (root = 0). */
export declare const DEPTH_FIELD = "depth";
/** Index into the original `data` array; used to route tooltip actions back to the caller's row. */
export declare const FLAME_ORIGINAL_IDX = "__flameOriginalIdx";
/** Derived span duration: `endAccessor - startAccessor`. */
export declare const VALUE_FIELD = "__value";
/** Normalized start: `startAccessor - minTime`. */
export declare const START_FIELD = "__start";
/** Normalized end: `endAccessor - minTime`. */
export declare const END_FIELD = "__end";
/** Number of direct children of a node in the aggregated flame graph. */
export declare const CHILDREN_COUNT_FIELD = "childrenCount";
export declare const XY_DEFAULTS: {
    readonly x0Accessor: "x0";
    readonly x1Accessor: "x1";
    readonly xAxisId: "flame-x-axis";
    readonly yAxisId: "flame-y-axis";
};
export declare const DISPLAY_NAME_FLAME_CHART = "FlameChart";
export declare const DISPLAY_NAME_FLAME_GRAPH = "FlameGraph";
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