export interface ReservedPort {
    port: number;
    project_dir: string;
    service_name: string | null;
    assigned_at: number;
}
export interface ReservePortOptions {
    projectDir: string;
    serviceName?: string;
}
export interface ReleasePortsOptions {
    projectDir: string;
    serviceName?: string;
}
/**
 * Check if a port is actually available by attempting to bind to it
 */
export declare function isPortActuallyAvailable(port: number): Promise<boolean>;
/**
 * Check if a port is already reserved in the database
 */
export declare function isPortReserved(port: number): boolean;
/**
 * Get the reserved port for a specific service
 */
export declare function getReservedPortForService(projectDir: string, serviceName: string): ReservedPort | null;
/**
 * Get all reserved ports for a project directory
 */
export declare function getReservedPortsForProject(projectDir: string): ReservedPort[];
/**
 * Get all reserved ports
 */
export declare function getAllReservedPorts(): ReservedPort[];
/**
 * Release a specific port
 */
export declare function releasePort(port: number): boolean;
/**
 * Release all ports for a project directory
 */
export declare function releasePortsForProject(projectDir: string): number;
/**
 * Release the port for a specific service
 */
export declare function releasePortForService(projectDir: string, serviceName: string): boolean;
/**
 * Reserve an unused port.
 *
 * This function:
 * 1. Gets the next port from the tracking table (or initializes at MIN_PORT)
 * 2. Checks if the port is already reserved in the database
 * 3. Verifies the port is actually available on the system
 * 4. If not available, keeps trying with incremented values
 * 5. Assigns the port in the database
 * 6. Returns the port number
 *
 * @param options - Configuration options for reserving a port
 * @returns The reserved port number
 */
export declare function reservePort(options: ReservePortOptions): Promise<number>;
/**
 * Reset for testing - clears all port reservations
 */
export declare function resetPortReservationsForTesting(): void;
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