Thanks @h_kataria  it is successfully working if same sdk version is used in our pom   

Hi,I am encontering the error:[api-regions-exportsimports] Bundle aem -xxx--project.core:x.1.0 is importing package(s) [Package com.google.gson;version=[2.9,3), Package com.day.cq.commons.mail;version=[5.8,6), Package com.google.gson.annotations;version=[2.9,3)] in start level 20 but no visible bund...