---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: malformedOptions.js
---
# Input
```jsx

```

# Diagnostics
```
malformedOptions.options:9:25 deserialize ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Found an unknown value `snake_case`.
  
     7 │ 					"level": "error",
     8 │ 					"options": {
   > 9 │ 						"enumMemberCase": "snake_case"
       │ 						                  ^^^^^^^^^^^^
    10 │ 					}
    11 │ 				}
  
  i Accepted values:
  
  - PascalCase
  - CONSTANT_CASE
  - camelCase
  

```