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## 1.5.2

**`(fix):`** Make sure that optional headers and query params are properly dereferenced before being sent to the server.

## 1.5.1

**`(fix):`** Enum headers are now correctly serialized in API requests. When an endpoint specifies an enum type for a header
parameter, the SDK will automatically serialize the enum value to its string representation as expected by the API.

## 1.5.0

**`(internal):`** Update the primary client to delegate to the new raw client to reduce code duplication.