GetConfigItem returns value of configuration item specified by `name` defined in Global Config or Metrics Config Notes: GetConfigItem() will be helpful to access and get configuration item'a value, both in GetMetricTypes() and CollectMetrics().

GetConfigItems returns map to values of multiple configuration items defined in Global Config or Metrics Config Notes: GetConfigItems() will be helpful to access and and get multiple configuration items' values, both in GetMetricTypes() and CollectMetrics().

GetGlobalConfigItem returns value of config item specified by `name` defined in Plugin Global Config Notes: GetGlobalConfigItem() will be helpful to access and get configuration item's value in GetMetricTypes().

GetGlobalConfigItems returns map to values of multiple configuration items defined in Plugin Global Config and specified in 'names' slice Notes: GetGlobalConfigItems() will be helpful to access and get multiple configuration items' values in GetMetricTypes().

GetMetricConfigItem returns value of configuration item specified by `name` defined in Metrics Config Notes: GetMetricConfigItem() will be helpful to access and get configuration item's value in CollectMetrics() (Plugin Global Config is merged into Metric Config).

GetMetricConfigItems returns map to values of multiple configuration items defined in Metric Config and specified in 'names' slice Notes: GetMetricConfigItems() will be helpful to access and get multiple configuration items' values in CollectMetrics() (Plugin Global Config is merged into Metric Config).