export declare class ContextManager {
    private workflowDir;
    private contextPath;
    constructor(workflowDir: string);
    /**
     * Update context file after plan generation
     */
    updateContext(workflowId: string): Promise<void>;
    /**
     * Extract tech information from plan.md
     */
    private extractTechInfo;
    /**
     * Load existing context or create new one
     */
    private loadContext;
    /**
     * Parse context file content
     */
    private parseContext;
    /**
     * Update Active Technologies section
     */
    private updateActiveTechnologies;
    /**
     * Update Recent Changes section (keep last 3)
     */
    private updateRecentChanges;
    /**
     * Format tech stack string
     */
    private formatTechStack;
    /**
     * Save context back to file
     */
    private saveContext;
    /**
     * Read existing manual additions to preserve them
     */
    private readExistingManualAdditions;
    /**
     * Check if file exists
     */
    private fileExists;
}
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