gets the cluster id for the cloud bigtable cluster . concode_field_sep long serialVersionUID concode_elem_sep String instanceId concode_elem_sep Map<String,String> configuration concode_elem_sep Map<String,String> additionalConfiguration concode_elem_sep String zoneId concode_elem_sep String clusterId concode_elem_sep String projectId concode_field_sep Builder toBuilder concode_elem_sep String getInstanceId concode_elem_sep Builder withClusterId concode_elem_sep Builder withZoneId concode_elem_sep BigtableOptions toBigtableOptions concode_elem_sep Builder withInstanceId concode_elem_sep String lookupInstanceId concode_elem_sep String getProjectId concode_elem_sep void setUserAgent concode_elem_sep String getZoneId concode_elem_sep void copyFrom concode_elem_sep Builder withConfiguration concode_elem_sep ImmutableMap<String,String> getConfiguration concode_elem_sep CloudBigtableConfiguration build concode_elem_sep Configuration toHBaseConfig concode_elem_sep void setValue concode_elem_sep boolean equals concode_elem_sep Builder withProjectId concode_elem_sep void copyConfig
String function ( ) { return configuration . get ( BigtableOptionsFactory . CLUSTER_KEY ) ; }