import { Frame, CallTreeNode } from './profile';
import { Rect } from './math';
export interface FlamechartFrame {
    node: CallTreeNode;
    start: number;
    end: number;
    parent: FlamechartFrame | null;
    children: FlamechartFrame[];
}
declare type StackLayer = FlamechartFrame[];
interface FlamechartDataSource {
    getTotalWeight(): number;
    formatValue(v: number): string;
    forEachCall(openFrame: (node: CallTreeNode, value: number) => void, closeFrame: (node: CallTreeNode, value: number) => void): void;
    getColorBucketForFrame(f: Frame): number;
}
export declare class Flamechart {
    private source;
    private layers;
    private totalWeight;
    private minFrameWidth;
    getTotalWeight(): number;
    getLayers(): StackLayer[];
    getColorBucketForFrame(frame: Frame): number;
    getMinFrameWidth(): number;
    formatValue(v: number): string;
    getClampedViewportWidth(viewportWidth: number): number;
    getClampedConfigSpaceViewportRect({ configSpaceViewportRect, renderInverted, }: {
        configSpaceViewportRect: Rect;
        renderInverted?: boolean;
    }): Rect;
    constructor(source: FlamechartDataSource);
}
export {};