PIMOB-4287: edit kdocs and remove nullable extension type

Author: zane-smith-cko

checkout/src/main/java/com/checkout/base/util/CommonConstants.kt

@@ -16,6 +16,6 @@ internal const val PHONE_MIN_LENGTH = 6
 internal const val PHONE_MAX_LENGTH = 25
 
 /**
- * Constants for environments
+ * Constant for HTTPS protocol prefix, used when constructing environments' base URLs for network communication.
  */
 internal const val HTTPS_PROTOCOL: String = "https://"

checkout/src/main/java/com/checkout/logging/utils/EnvironmentExtension.kt

@@ -11,6 +11,7 @@ internal fun Environment.toBaseUrl(baseUrlPrefix: String? = null) = when (this)
     Environment.PRODUCTION -> PRODUCTION_SERVER_URL.applyPrefix(baseUrlPrefix)
     Environment.SANDBOX -> SANDBOX_SERVER_URL.applyPrefix(baseUrlPrefix)
 }
+
 internal fun Environment.toLoggingEnvironment() = when (this) {
     Environment.PRODUCTION -> com.checkout.eventlogger.Environment.PRODUCTION
     Environment.SANDBOX -> com.checkout.eventlogger.Environment.SANDBOX
@@ -26,7 +27,7 @@ private fun String.applyPrefix(prefix: String?): String {
     return this.replace(HTTPS_PROTOCOL, "$HTTPS_PROTOCOL$validatedPrefix.")
 }
 
-private fun String?.baseUrlPrefixValidator() = this
-    ?.takeIf { prefix ->
-        prefix.all { char -> char in 'a'..'z' || char in 'A'..'Z' || char in '0'..'9' } && prefix.isNotEmpty()
+private fun String.baseUrlPrefixValidator() = this
+    .takeIf { prefix ->
+        prefix.isNotEmpty() && prefix.all { char -> char in 'a'..'z' || char in 'A'..'Z' || char in '0'..'9' }
     }

frames/src/main/java/com/checkout/frames/cvvinputfield/CVVComponentApiFactory.kt

@@ -16,7 +16,7 @@ public object CVVComponentApiFactory {
      * @param publicKey - used for client-side authentication in the SDK
      * @param environment - [Environment] represent the environment for tokenization
      * @param context - represent the application context
-     * @param baseUrlPrefix -  an optional alphanumeric prefix used to route requests to a specific regional or merchant-specific subdomain (e.g., "msdd"). Must be alphanumeric.
+     * @param baseUrlPrefix - an optional alphanumeric prefix used to route requests to a specific regional or merchant-specific subdomain (e.g., "msdd"). Must be alphanumeric.
      */
     @JvmStatic
     public fun create(