Function write_schema_json 

pub fn write_schema_json(
    out: &mut impl Write,
    schema: &Value,
    format: JsonOutputFormat,
) -> EngineResult<()>

Serializes a schema in the requested JSON format and appends a newline.

Pretty output automatically falls back to compact JSON before crossing Helm’s per-file size limit.

Errors

Returns an error when JSON serialization or writing to out fails.