fix: merge conflicts (#371)

Co-authored-by: Tomer Aberbach <tomer@stainlessapi.com>

Author: stainless-app[bot]

lithic-java-core/src/main/kotlin/com/lithic/api/core/Utils.kt

@@ -29,4 +29,18 @@ internal fun <K : Comparable<K>, V> SortedMap<K, V>.toImmutable(): SortedMap<K,
 internal fun <K, V> ListMultimap<K, V>.toImmutable(): ListMultimap<K, V> =
     ImmutableListMultimap.copyOf(this)
 
+@JvmSynthetic
+internal fun ListMultimap<String, String>.getRequiredHeader(header: String): String {
+    val value =
+        entries()
+            .stream()
+            .filter { entry -> entry.key.equals(header, ignoreCase = true) }
+            .map { entry -> entry.value }
+            .findFirst()
+    if (!value.isPresent) {
+        throw LithicInvalidDataException("Could not find $header header")
+    }
+    return value.get()
+}
+
 internal interface Enum

lithic-java-core/src/main/kotlin/com/lithic/api/models/CardGetEmbedHtmlParams.kt

@@ -9,7 +9,7 @@ import com.fasterxml.jackson.databind.annotation.JsonDeserialize
 import com.lithic.api.core.ExcludeMissing
 import com.lithic.api.core.JsonValue
 import com.lithic.api.core.NoAutoDetect
-import com.lithic.api.core.toUnmodifiable
+import com.lithic.api.core.toImmutable
 import com.lithic.api.models.*
 import java.time.OffsetDateTime
 import java.util.Objects
@@ -202,7 +202,7 @@ constructor(
                     css,
                     expiration,
                     targetOrigin,
-                    additionalProperties.toUnmodifiable(),
+                    additionalProperties.toImmutable(),
                 )
         }
     }
@@ -362,9 +362,9 @@ constructor(
                 css,
                 expiration,
                 targetOrigin,
-                additionalQueryParams.mapValues { it.value.toUnmodifiable() }.toUnmodifiable(),
-                additionalHeaders.mapValues { it.value.toUnmodifiable() }.toUnmodifiable(),
-                additionalBodyProperties.toUnmodifiable(),
+                additionalQueryParams.mapValues { it.value.toImmutable() }.toImmutable(),
+                additionalHeaders.mapValues { it.value.toImmutable() }.toImmutable(),
+                additionalBodyProperties.toImmutable(),
             )
     }
 }

lithic-java-core/src/main/kotlin/com/lithic/api/models/CardGetEmbedUrlParams.kt

@@ -9,7 +9,7 @@ import com.fasterxml.jackson.databind.annotation.JsonDeserialize
 import com.lithic.api.core.ExcludeMissing
 import com.lithic.api.core.JsonValue
 import com.lithic.api.core.NoAutoDetect
-import com.lithic.api.core.toUnmodifiable
+import com.lithic.api.core.toImmutable
 import com.lithic.api.models.*
 import java.time.OffsetDateTime
 import java.util.Objects
@@ -202,7 +202,7 @@ constructor(
                     css,
                     expiration,
                     targetOrigin,
-                    additionalProperties.toUnmodifiable(),
+                    additionalProperties.toImmutable(),
                 )
         }
     }
@@ -362,9 +362,9 @@ constructor(
                 css,
                 expiration,
                 targetOrigin,
-                additionalQueryParams.mapValues { it.value.toUnmodifiable() }.toUnmodifiable(),
-                additionalHeaders.mapValues { it.value.toUnmodifiable() }.toUnmodifiable(),
-                additionalBodyProperties.toUnmodifiable(),
+                additionalQueryParams.mapValues { it.value.toImmutable() }.toImmutable(),
+                additionalHeaders.mapValues { it.value.toImmutable() }.toImmutable(),
+                additionalBodyProperties.toImmutable(),
             )
     }
 }