[receiver/splunkenterprise]unexport Info struct (open-telemetry#40267)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description
This struct should not be exposed as part of the API. Unexporting it.

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: 2 people

.chloggen/unexport_splunkenterprise2.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: splunkenterprisereceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Unexport Info
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [40267]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]

receiver/splunkenterprisereceiver/scraper.go

@@ -115,15 +115,15 @@ func (s *splunkScraper) scrape(ctx context.Context) (pmetric.Metrics, error) {
 	}()
 
 	// if the build and version info has been configured that is pulled here
-	var info infoDict
+	var infoMap infoDict
 	if s.conf.VersionInfo {
-		info = s.scrapeInfo(ctx, now, errChan)
+		infoMap = s.scrapeInfo(ctx, now, errChan)
 	} else {
-		info = make(infoDict)
-		nullInfo := Info{Host: "", Entries: make([]infoEntry, 1)}
-		info[typeCm] = nullInfo
-		info[typeSh] = nullInfo
-		info[typeIdx] = nullInfo
+		infoMap = make(infoDict)
+		nullInfo := info{Host: "", Entries: make([]infoEntry, 1)}
+		infoMap[typeCm] = nullInfo
+		infoMap[typeSh] = nullInfo
+		infoMap[typeIdx] = nullInfo
 	}
 
 	for _, fn := range metricScrapes {
@@ -138,7 +138,7 @@ func (s *splunkScraper) scrape(ctx context.Context) (pmetric.Metrics, error) {
 			// actual function body
 			defer wg.Done()
 			fn(ctx, now, info, errs)
-		}(fn, ctx, now, info, errChan)
+		}(fn, ctx, now, infoMap, errChan)
 	}
 
 	wg.Wait()
@@ -1810,49 +1810,49 @@ func (s *splunkScraper) traverseHealthDetailFeatures(details healthDetails, now
 }
 
 // somewhat unique scrape function for gathering the info attribute
-func (s *splunkScraper) scrapeInfo(_ context.Context, _ pcommon.Timestamp, errs chan error) map[any]Info {
+func (s *splunkScraper) scrapeInfo(_ context.Context, _ pcommon.Timestamp, errs chan error) map[any]info {
 	// there could be an endpoint configured for each type (never more than 3)
 
-	info := make(infoDict)
-	nullInfo := Info{Host: "", Entries: make([]infoEntry, 1)}
-	info[typeCm] = nullInfo
-	info[typeSh] = nullInfo
-	info[typeIdx] = nullInfo
+	infoMap := make(infoDict)
+	nullInfo := info{Host: "", Entries: make([]infoEntry, 1)}
+	infoMap[typeCm] = nullInfo
+	infoMap[typeSh] = nullInfo
+	infoMap[typeIdx] = nullInfo
 
 	for cliType := range s.splunkClient.clients {
-		var i Info
+		var i info
 
 		ept := apiDict[`SplunkInfo`]
 
 		req, err := s.splunkClient.createAPIRequest(cliType, ept)
 		if err != nil {
 			errs <- err
-			return info
+			return infoMap
 		}
 
 		res, err := s.splunkClient.makeRequest(req)
 		if err != nil {
 			errs <- err
-			return info
+			return infoMap
 		}
 		defer res.Body.Close()
 
 		body, err := io.ReadAll(res.Body)
 		if err != nil {
 			errs <- err
-			return info
+			return infoMap
 		}
 
 		err = json.Unmarshal(body, &i)
 		if err != nil {
 			errs <- err
-			return info
+			return infoMap
 		}
 
-		info[cliType] = i
+		infoMap[cliType] = i
 	}
 
-	return info
+	return infoMap
 }
 
 // Scrape Search Metrics

receiver/splunkenterprisereceiver/search_result.go

@@ -195,7 +195,7 @@ type healthDetails struct {
 }
 
 // '/services/server/info'
-type Info struct {
+type info struct {
 	Host    string      `json:"origin"`
 	Entries []infoEntry `json:"entry"`
 }
@@ -209,7 +209,7 @@ type infoContent struct {
 	Version string `json:"version"`
 }
 
-type infoDict map[any]Info
+type infoDict map[any]info
 
 // '/services/search/jobs/{search_id}'
 type searchMetaEntries struct {