message: Update environment-accessor.ts
diff: @@ -167,8 +167,7 @@ export function getVcapService(): Record<string, any> | null {
  /**
  * Environment variables accessor.
  * @param name - Environment variable name.
  - * @returns Env variable value if defined.
  - * null: If not defined.
  + * @returns Env variable value if defined or `null`, if not defined.
  * @internal
  */
  export function getEnvironmentVariable(
  