import type { SyntaxNode } from '../types.js';
/**
 * Calculate cognitive complexity of a function
 *
 * Based on SonarSource's Cognitive Complexity specification:
 * - +1 for each break from linear flow (if, for, while, catch, etc.)
 * - +1 for each nesting level when inside a control structure
 * - +1 for each logical operator sequence break (a && b || c)
 *
 * @see https://www.sonarsource.com/docs/CognitiveComplexity.pdf
 *
 * @param node - AST node to analyze (typically a function/method)
 * @returns Cognitive complexity score (minimum 0)
 */
export declare function calculateCognitiveComplexity(node: SyntaxNode): number;
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