import { Tool } from '@modelcontextprotocol/sdk/types.js';
import { BaseToolHandler } from '../base-handler.js';
import { LocalDebugEngine } from '../../local-debug-engine.js';
import { FlutterQuantumDebugger } from '../../flutter-quantum-debugger.js';
export declare class FlutterPerformanceHandler extends BaseToolHandler {
    private localEngine;
    private quantumDebugger;
    constructor(localEngine: LocalDebugEngine, quantumDebugger: FlutterQuantumDebugger);
    get tools(): Tool[];
    handle(toolName: string, args: any, sessions: Map<string, any>): Promise<any>;
    private getPerformance;
    private getPerformanceMetrics;
    private getPerformanceBaseline;
    private detectWebIssues;
}
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