export interface ScanFinding {
    ruleId: string;
    file: string;
    line: number;
    snippet: string;
    confidence: number;
}
export interface ScanSuggestion {
    ruleId: string;
    description: string;
    occurrences: number;
    confidence: number;
    severity: "low" | "medium" | "high";
}
export interface CodeScanResult {
    scannedFiles: number;
    totalLines: number;
    findings: ScanFinding[];
    suggestions: ScanSuggestion[];
    durationMs: number;
}
export declare class CodeScanner {
    private excludeDirs;
    /** Collect all source files recursively. */
    private collectFiles;
    /** Scan a project directory for rule violations with incremental caching. */
    scanDirCached(projectDir: string): Promise<CodeScanResult>;
    /** Scan a project directory for rule violations. */
    scanDir(projectDir: string): Promise<CodeScanResult>;
    /** Quick scan: config files and recently modified source files only. */
    scanConfigOnly(projectDir: string): Promise<CodeScanResult>;
    /** Scan a single file's content. */
    scanContent(content: string, filePath: string): ScanFinding[];
    /** Aggregate raw findings into actionable suggestions. */
    private _aggregate;
}
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