import type { ProjectKnowledge, BrainInsight } from '../types.js';
export declare class ContextCompletionEngine {
    private projectDir;
    constructor(projectDir: string);
    /**
     * Analyze the project directory to build a comprehensive ProjectKnowledge
     * object containing name, conventions, architecture, patterns, and deps.
     */
    buildKnowledge(): Promise<ProjectKnowledge>;
    /**
     * Persist the knowledge object to `.shadow-brain/knowledge.json` inside
     * the project directory.
     */
    saveKnowledge(knowledge: ProjectKnowledge): Promise<void>;
    /**
     * Identify missing project context items (README, .gitignore, tsconfig,
     * CI/CD configs, etc.) and return them as prioritised BrainInsight array.
     */
    getContextGaps(knowledge: ProjectKnowledge): Promise<BrainInsight[]>;
    private detectProjectName;
    private detectConventions;
    private summarizeEslint;
    private summarizePrettier;
    private summarizeEditorConfig;
    private summarizeTsconfig;
    private detectArchitecture;
    private hasFileExtensionSync;
    private detectPatterns;
    private detectDependencies;
    private parseCargoDeps;
    private hasFile;
    private hasFileExtension;
    /**
     * Recursively collect source files up to a limit.
     * Skips node_modules, .git, dist, build, coverage, and hidden directories.
     */
    private collectSourceFiles;
}
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