/**
 * Port occupancy checker utility
 * Checks if a port is in use and attempts to identify the occupying process
 */
export interface PortCheckResult {
    inUse: boolean;
    pid?: number;
    processName?: string;
    commandLine?: string;
    isSelfProject?: boolean;
}
/**
 * Check if port is in use
 */
export declare function checkPort(port: number): Promise<PortCheckResult>;
/**
 * Checks port availability and exits process if port is in use.
 *
 * This function checks if the specified port is already occupied and handles
 * conflict scenarios with detailed error messages.
 *
 * @param port - The port number to check
 * @returns Promise that resolves when port is available, never rejects
 *
 * @example
 * ```typescript
 * await checkPortWithExit(7788);
 * // If port is available, continues execution
 * // If port is in use by this project, shows error and exits with code 1
 * // If port is in use by another application, shows error and exits with code 1
 * ```
 */
export declare function checkPortWithExit(port: number): Promise<void>;
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