import { CPUProfile } from './chrome';
/**
 * This importer handles an old format used by the C++ API of V8. This format is still used by v8-profiler-node8.
 * There are two differences between the two formats:
 *  - Nodes are a tree in the old format and a flat array in the new format
 *  - Weights are timestamps in the old format and deltas in the new format.
 *
 * For more information, see https://github.com/hyj1991/v8-profiler-node8
 */
interface OldCPUProfileNode {
    functionName: string;
    lineNumber: number;
    scriptId: string;
    url: string;
    hitCount: number;
    bailoutReason: string;
    id: number;
    children: OldCPUProfileNode[];
}
export interface OldCPUProfile {
    startTime: number;
    endTime: number;
    head: OldCPUProfileNode;
    samples: number[];
    timestamps: number[];
}
/**
 * Convert the old tree-based format to the new flat-array based format
 */
export declare function chromeTreeToNodes(content: OldCPUProfile): CPUProfile;
export {};