import * as parser from '@babel/parser';
import * as t from '@babel/types';
import { Rule } from '../rule';
import { CategoryType, CodeFinding, SeverityLevel } from '../../types';
/**
 * Rule to detect nested loops that could be optimized
 */
export declare class NestedLoopsRule extends Rule {
    readonly id = "perf-nested-loops";
    readonly name = "Nested Loops";
    readonly description = "Detects nested loops that could be optimized for better performance";
    readonly category = CategoryType.Performance;
    readonly defaultSeverity = SeverityLevel.Warning;
    readonly requiresAST = true;
    /**
     * Apply the rule to the given code
     *
     * @param code - Source code
     * @param ast - Parsed AST
     * @param filePath - Path to the file
     * @returns Array of findings
     */
    apply(code: string, ast: parser.ParseResult<t.File>, filePath: string): CodeFinding[];
    /**
     * Generate a suggestion for optimizing nested loops
     *
     * @param code - Original code
     * @returns Suggested code
     */
    protected generateSuggestion(_code: string): string;
}
