void function ( String arg0 ) { this . arn = arg0 ; }
the arn of the resource group . concode_field_sep java.util.Date createdAt concode_elem_sep String arn concode_elem_sep java.util.List<ResourceGroupTag> tags concode_field_sep ResourceGroup withArn concode_elem_sep ResourceGroup withTags concode_elem_sep ResourceGroup withTags concode_elem_sep void setCreatedAt concode_elem_sep java.util.Date getCreatedAt concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep ResourceGroup clone concode_elem_sep java.util.List<ResourceGroupTag> getTags concode_elem_sep String toString concode_elem_sep void setTags concode_elem_sep ResourceGroup withCreatedAt concode_elem_sep String getArn