base64 version of the commit id see segmentinfos #getid concode_field_sep long generation concode_elem_sep Map<String,String> userData concode_elem_sep int numDocs concode_elem_sep String id concode_elem_sep XContentBuilderString ID concode_elem_sep XContentBuilderString NUM_DOCS concode_elem_sep XContentBuilderString USER_DATA concode_elem_sep XContentBuilderString GENERATION concode_elem_sep XContentBuilderString COMMIT concode_field_sep CommitStats readOptionalCommitStatsFrom concode_elem_sep void writeTo concode_elem_sep void readFrom concode_elem_sep XContentBuilder toXContent concode_elem_sep CommitStats readCommitStatsFrom concode_elem_sep long getGeneration concode_elem_sep int getNumDocs concode_elem_sep Map<String,String> getUserData
String function ( ) { return id ; }