export declare function findAvailablePort(): Promise<number>;
/**
 * Check if a specific port is available for use
 * @param port The port number to check
 * @returns Promise<boolean> true if port is available, false otherwise
 */
export declare function isSpecificPortAvailable(port: number): Promise<boolean>;
/**
 * Validate a port number and check if it's available
 * @param port The port number to validate and check
 * @returns Promise<void> throws error if invalid or unavailable
 */
export declare function validateAndCheckPort(port: number): Promise<void>;
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