import { SymbolInfo } from '../types.js';
export declare class SemanticAnalyzer {
    private projectDir;
    private symbols;
    private importGraph;
    private exportMap;
    private usageMap;
    constructor(projectDir: string);
    /** Run full semantic analysis across the project */
    analyzeProject(): Promise<{
        symbols: Map<string, SymbolInfo[]>;
        unusedExports: SymbolInfo[];
        deadCode: SymbolInfo[];
    }>;
    /** Extract symbols from a single file */
    extractSymbols(filePath: string): SymbolInfo[];
    /** Get all source files in the project */
    private getSourceFiles;
    /** Extract import relationships from a file */
    private extractImports;
    /** Build a map of which files use each symbol */
    private buildUsageMap;
    /** Detect exported symbols that are never imported/used elsewhere */
    private detectUnusedExports;
    /** Detect dead code — private functions/methods never called within their file */
    private detectDeadCode;
    /** Check if a symbol is imported in any file */
    private isSymbolImported;
    /** Check if a file is an entry point (main, index, etc.) */
    private isEntryPoint;
    /** Check if a symbol name is a common/expected export */
    private isCommonExport;
    /** Check if a line is an export statement */
    private isExported;
    /** Strip comments from source code */
    private stripComments;
    /** Get 1-based line number from character offset */
    private getLineNumber;
    /** Detect language from file extension */
    private getLanguageForExt;
    /** Check if a name is a language builtin */
    private isBuiltin;
    /** Escape special regex characters */
    private escapeRegex;
}
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