import { ChildProcess } from 'child_process';
/**
 * Path utilities
 */
export declare class PathUtils {
    /**
     * Resolve path relative to workspace
     */
    static resolvePath(filePath: string, workspacePath: string): string;
    /**
     * Get file extension
     */
    static getExtension(filePath: string): string;
    /**
     * Check if file is a code file
     */
    static isCodeFile(filePath: string, codeExtensions?: string[]): boolean;
}
/**
 * String utilities
 */
export declare class StringUtils {
    /**
     * Escape quotes in command strings
     */
    static escapeQuotes(str: string): string;
    /**
     * Format output with optional error section
     */
    static formatOutput(stdout: string, stderr?: string, prefix?: string): string;
    /**
     * Truncate array of strings with "... and more" message
     */
    static truncateList(items: string[], maxItems?: number): string;
}
/**
 * Validation utilities
 */
export declare class ValidationUtils {
    /**
     * Validate required parameters
     */
    static validateRequired(params: Record<string, any>, requiredFields: string[]): void;
    /**
     * Validate file path
     */
    static validatePath(filePath: any): asserts filePath is string;
    /**
     * Validate project type
     */
    static validateProjectType(type: string, supportedTypes: string[]): void;
}
/**
 * Process information interface
 */
export interface ProcessInfo {
    process: ChildProcess;
    command: string;
    port?: number;
    workspace: string;
    startTime: string;
}
/**
 * Process display format
 */
export interface ProcessDisplay {
    name: string;
    command: string;
    port?: number;
    pid?: number;
    workspace: string;
    startTime: string;
}
/**
 * Process utilities
 */
export declare class ProcessUtils {
    /**
     * Create process info object
     */
    static createProcessInfo(process: ChildProcess, command: string, port: number | undefined, workspace: string): ProcessInfo;
    /**
     * Format process list for display
     */
    static formatProcessList(processMap: Map<string, ProcessInfo>): string;
}
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