Add authSchemePreference client config

Author: trivikr

smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/auth/http/integration/AddHttpAuthSchemePlugin.java

@@ -248,6 +248,15 @@ private void generateHttpAuthSchemeInputConfigInterface(
         w.write(" {");
         w.indent();
         w.addDependency(TypeScriptDependency.SMITHY_TYPES);
+
+        w.addImport("Provider", null, TypeScriptDependency.SMITHY_TYPES);
+        w.writeDocs("""
+            A comma-separated list of case-sensitive auth scheme names. \
+            An auth scheme name is a fully qualified auth scheme ID with the namespace prefix trimmed. \
+            For example, the auth scheme with ID aws.auth#sigv4 is named sigv4. \
+            @public""");
+        w.write("authSchemePreference?: string[] | Provider<string[]>;\n");
+
         w.addImport("HttpAuthScheme", null, TypeScriptDependency.SMITHY_TYPES);
         w.writeDocs("""
             Configuration of HttpAuthSchemes for a client which provides \
@@ -314,6 +323,15 @@ private void generateHttpAuthSchemeResolvedConfigInterface(
         w.write(" {");
         w.indent();
         w.addDependency(TypeScriptDependency.SMITHY_TYPES);
+
+        w.addImport("Provider", null, TypeScriptDependency.SMITHY_TYPES);
+        w.writeDocs("""
+            A comma-separated list of case-sensitive auth scheme names. \
+            An auth scheme name is a fully qualified auth scheme ID with the namespace prefix trimmed. \
+            For example, the auth scheme with ID aws.auth#sigv4 is named sigv4. \
+            @public""");
+        w.write("readonly authSchemePreference: Provider<string[]>;\n");
+
         w.addImport("HttpAuthScheme", null, TypeScriptDependency.SMITHY_TYPES);
         w.writeDocs("""
             Configuration of HttpAuthSchemes for a client which provides \
@@ -421,6 +439,8 @@ private void generateResolveHttpAuthSchemeConfigFunction(
         w.write("return Object.assign(");
         w.indent();
         w.write("$L, {", configName);
+        w.addImport("normalizeProvider", null, TypeScriptDependency.UTIL_MIDDLEWARE);
+        w.write("authSchemePreference: normalizeProvider(config.authSchemePreference ?? []),");
         for (ConfigField configField : configFields.values()) {
             if (configField.configFieldWriter().isPresent()) {
                 w.write("$L,", configField.name());