https://docs.atlassian.com/software/jira/docs/api/9.7.0/com/atlassian/jira/issue/changehistory/package-summary.html
com.atlassian.jira.issue.changehistory (Atlassian Jira - Server 9.7.0 API)
atlassian jiraissuechangehistoryserverapi
https://docs.atlassian.com/software/jira/docs/api/4.0/com/atlassian/jira/issue/changehistory/package-tree.html
com.atlassian.jira.issue.changehistory Class Hierarchy (Atlassian JIRA 4.0 API)
atlassian jiraclass hierarchyissuechangehistoryapi
https://docs.atlassian.com/software/jira/docs/api/6.2-ClusteringEAP01/com/atlassian/jira/functest/framework/changehistory/package-summary.html
com.atlassian.jira.functest.framework.changehistory (Atlassian JIRA 6.2-ClusteringEAP01 API)
atlassian jiraframeworkchangehistoryapi
https://docs.atlassian.com/software/jira/docs/api/4.0/com/atlassian/jira/issue/changehistory/package-summary.html
com.atlassian.jira.issue.changehistory (Atlassian JIRA 4.0 API)
atlassian jiraissuechangehistoryapi