/**
 * Logical id of the per-service image-tag CfnParameter. This is a cross-package
 * contract: the CDK template declares the parameter under this id
 * (@fjall/components-infrastructure ecsImages) and the deploy plumbs its value
 * via `--parameters <id>=<tag>` (@fjall/deploy-core applicationDeploy). Both
 * sides MUST derive the id here — a mismatch makes cdk reject
 * "Parameters: [...] do not exist in the template".
 */
export declare function imageTagParameterName(serviceName: string): string;