import { Profile, ProfileGroup } from '../lib/profile';
import { OldCPUProfile } from './v8cpuFormatter';
export interface TimelineEvent {
    pid: number;
    tid: number;
    ts: number;
    ph: string;
    cat: string;
    name: string;
    dur: number;
    tdur: number;
    tts: number;
    args: {
        [key: string]: any;
    };
    id?: string;
}
interface PositionTickInfo {
    line: number;
    ticks: number;
}
interface CPUProfileCallFrame {
    columnNumber: number;
    functionName: string;
    lineNumber: number;
    scriptId: string;
    url: string;
}
export interface CPUProfileNode {
    callFrame: CPUProfileCallFrame;
    hitCount: number;
    id: number;
    children?: number[];
    positionTicks?: PositionTickInfo[];
    parent?: CPUProfileNode;
}
export interface CPUProfile {
    startTime: number;
    endTime: number;
    nodes: CPUProfileNode[];
    samples: number[];
    timeDeltas: number[];
}
export declare function isChromeTimeline(rawProfile: any): boolean;
export declare function importFromChromeTimeline(events: TimelineEvent[], fileName: string): ProfileGroup;
export declare function importFromChromeCPUProfile(chromeProfile: CPUProfile): Profile;
export declare function importFromOldV8CPUProfile(content: OldCPUProfile): Profile;
export {};