/**
 * Assertions for validating port mappings in Render.com Blueprint YAML output
 */
/**
 * Validates that the port mappings in the Render YAML match expected values
 * Render doesn't explicitly set http_port in all cases, but uses the PORT env variable
 *
 * @param renderYaml The parsed Render YAML blueprint
 * @param serviceName The name of the service to check
 * @param expectedPort The expected port value
 * @returns boolean indicating if validation passes
 */
export declare function validatePortMappingInRender(renderYaml: any, serviceName: string, expectedPort: number): boolean;
/**
 * Validates port configurations across multiple services
 * @param renderYaml The parsed Render YAML blueprint
 * @param expectedPorts Map of service names to their expected ports
 * @returns boolean indicating if all validations pass
 */
export declare function validateMultiplePortMappings(renderYaml: any, expectedPorts: Record<string, number>): boolean;
/**
 * Validates that a service has the PORT environment variable set correctly
 * @param renderYaml The parsed Render YAML blueprint
 * @param serviceName The name of the service to check
 * @param expectedValue The expected value for the PORT variable
 * @returns boolean indicating if validation passes
 */
export declare function validatePortEnvironmentVariable(renderYaml: any, serviceName: string, expectedValue: string): boolean;