in eng/tools/typespec-migration-validation/src/document.ts [258:269]
function processEnumInplace(enumDefinition: OpenAPI2Schema) {
if (enumDefinition.enum === undefined) return;
if (enumDefinition["x-ms-enum"]?.values) {
delete enumDefinition["x-ms-enum"].values;
}
if (configuration.enumNameToCamelCase && enumDefinition["x-ms-enum"]?.name) {
const enumName = enumDefinition["x-ms-enum"].name as string;
const camelCaseName = enumName.charAt(0).toUpperCase() + enumName.slice(1);
enumDefinition["x-ms-enum"].name = camelCaseName;
}
}