fix compile error

Author: laurit

instrumentation/ktor/ktor-2-common/library/src/main/kotlin/io/opentelemetry/instrumentation/ktor/client/AbstractKtorClientTracingBuilder.kt

@@ -24,7 +24,7 @@ abstract class AbstractKtorClientTracingBuilder(
     }
   }
 
-  protected lateinit var openTelemetry: OpenTelemetry
+  internal lateinit var openTelemetry: OpenTelemetry
   protected lateinit var clientBuilder: DefaultHttpClientInstrumenterBuilder<HttpRequestData, HttpResponse>
 
   fun setOpenTelemetry(openTelemetry: OpenTelemetry) {
@@ -36,6 +36,10 @@ abstract class AbstractKtorClientTracingBuilder(
     )
   }
 
+  protected fun getOpenTelemetry(): OpenTelemetry {
+    return openTelemetry
+  }
+
   @Deprecated(
     "Please use method `capturedRequestHeaders`",
     ReplaceWith("capturedRequestHeaders(headers.asIterable())")

instrumentation/ktor/ktor-2.0/library/src/main/kotlin/io/opentelemetry/instrumentation/ktor/v2_0/client/KtorClientTracingBuilder.kt

@@ -12,6 +12,6 @@ class KtorClientTracingBuilder : AbstractKtorClientTracingBuilder(INSTRUMENTATIO
 
   internal fun build(): KtorClientTracing = KtorClientTracing(
     instrumenter = clientBuilder.build(),
-    propagators = openTelemetry.propagators,
+    propagators = getOpenTelemetry().propagators,
   )
 }

instrumentation/ktor/ktor-3.0/library/src/main/kotlin/io/opentelemetry/instrumentation/ktor/v3_0/client/KtorClientTracingBuilder.kt

@@ -12,6 +12,6 @@ class KtorClientTracingBuilder : AbstractKtorClientTracingBuilder(INSTRUMENTATIO
 
   internal fun build(): KtorClientTracing = KtorClientTracing(
     instrumenter = clientBuilder.build(),
-    propagators = openTelemetry.propagators,
+    propagators = getOpenTelemetry().propagators,
   )
 }