export interface FileArtifact {
    path: string;
    action: 'created' | 'modified' | 'deleted';
    description: string;
}
export interface WorkingMemorySnapshot {
    lastUpdated: string;
    artifacts: FileArtifact[];
    currentTask?: {
        description: string;
        status: 'in_progress' | 'blocked' | 'reviewing' | 'completed';
        progress: number;
    };
    activeProblems: {
        problem: string;
        approach?: string;
    }[];
    nextActions: string[];
}
export interface FocusCompressionOptions {
    lineThreshold: number;
    sizeThreshold: number;
    keepCompletedTasks: number;
    maxWorkingMemoryArtifacts: number;
}
export interface FocusCompressionResult {
    needsCompression: boolean;
    compressed: boolean;
    oldLines: number;
    newContent: string;
    newVersion: string;
    milestones: {
        completedTasks: string[];
        fileArtifacts: string[];
    };
}
export declare const DEFAULT_FOCUS_COMPRESSION_OPTIONS: FocusCompressionOptions;
export declare function extractVersion(content: string): string;
export declare function extractDate(content: string): string;
export declare function extractSummary(content: string, maxLines?: number): string;
export declare function parseWorkingMemorySection(content: string): WorkingMemorySnapshot | null;
export declare function workingMemoryToInjection(snapshot: WorkingMemorySnapshot | null): string;
export declare function extractMilestones(content: string): {
    completedTasks: string[];
    fileArtifacts: string[];
};
export declare function validateCurrentFocus(content: string): {
    valid: boolean;
    errors: string[];
    warnings: string[];
};
export declare function mergeWorkingMemory(content: string, snapshot: WorkingMemorySnapshot): string;
export declare function cleanupStaleInfoPure(content: string, config: FocusCompressionOptions): string;
export declare function compressFocusContent(content: string, options?: FocusCompressionOptions): FocusCompressionResult;
declare function extractDescription(text: string, filePath: string): string;
declare function extractProblems(text: string, problems: {
    problem: string;
    approach?: string;
}[]): void;
declare function extractNextActions(text: string, actions: string[]): void;
declare function deduplicateArtifacts(artifacts: FileArtifact[]): FileArtifact[];
export { extractDescription, extractProblems, extractNextActions, deduplicateArtifacts, };
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