fix: consistent naming

src/commonMain/kotlin/community/flock/kotlinx/openapi/bindings/OpenAPIV2.kt

@@ -11,6 +11,7 @@ import kotlinx.serialization.json.encodeToJsonElement
 open class OpenAPIV2(
     val json: Json = Json { prettyPrint = true },
 ) : OpenAPISpecification {
+
     fun decodeFromString(string: String): OpenAPIV2Model = json
         .decodeFromString<JsonObject>(string)
         .decode(V2)

src/commonMain/kotlin/community/flock/kotlinx/openapi/bindings/OpenAPIV3.kt

@@ -12,7 +12,7 @@ open class OpenAPIV3(
     val json: Json = Json { prettyPrint = true },
 ) : OpenAPISpecification {
 
-    fun decodeFromJsonString(string: String): OpenAPIV3Model = json
+    fun decodeFromString(string: String): OpenAPIV3Model = json
         .decodeFromString<JsonObject>(string)
         .decode(V3)
         .let(json::decodeFromJsonElement)

src/jvmTest/kotlin/community/flock/kotlinx/openapi/bindings/OpenAPIV3Tests.kt

@@ -47,14 +47,14 @@ class OpenAPIV3Tests {
     fun `openapi v2 is not valid`() {
         val input = readFile("petstore.json", V2)
         shouldThrow<IllegalStateException> {
-            OpenAPIV3.decodeFromJsonString(input)
+            OpenAPIV3.decodeFromString(input)
         }.message shouldBe "No valid openapi v3 element 'openapi' is missing"
     }
 
     private fun openAPIv3(fileName: String) {
         readFile(fileName, V3).let {
             it shouldEqualJson it
-                .let(OpenAPIV3::decodeFromJsonString)
+                .let(OpenAPIV3::decodeFromString)
                 .let(OpenAPIV3::encodeToString)
         }
     }