Getting error by using this serializationLibrary: DioSerializationLibrary.jsonSerializable,

[FaizanStokk]

Description of the bug

@openapi(
additionalProperties: DioProperties(
pubName: EnvKeys.stokk_api,
serializationLibrary: DioSerializationLibrary.jsonSerializable, // when i used this errors
),
inputSpec: InputSpec(path: input),
generatorName: Generator.dio,
runSourceGenOnOutput: true,
fetchDependencies: true,
forceAlwaysRun: true,
outputDirectory: output,
skipIfSpecIsUnchanged: false,
debugLogging: true,
)

Steps to reproduce

@openapi(
additionalProperties: DioProperties(
pubName: EnvKeys.stokk_api,
serializationLibrary: DioSerializationLibrary.jsonSerializable, // when i used this errors
),
inputSpec: InputSpec(path: input),
generatorName: Generator.dio,
runSourceGenOnOutput: true,
fetchDependencies: true,
forceAlwaysRun: true,
outputDirectory: output,
skipIfSpecIsUnchanged: false,
debugLogging: true,
)

Minimal openapi specification

@openapi(
additionalProperties: DioProperties(
pubName: EnvKeys.stokk_api,
serializationLibrary: DioSerializationLibrary.jsonSerializable, // when i used this errors
),
inputSpec: InputSpec(path: input),
generatorName: Generator.dio,
runSourceGenOnOutput: true,
fetchDependencies: true,
forceAlwaysRun: true,
outputDirectory: output,
skipIfSpecIsUnchanged: false,
debugLogging: true,
)

Annotation used

@openapi(
additionalProperties: DioProperties(
pubName: EnvKeys.stokk_api,
serializationLibrary: DioSerializationLibrary.jsonSerializable, // when i used this errors
),
inputSpec: InputSpec(path: input),
generatorName: Generator.dio,
runSourceGenOnOutput: true,
fetchDependencies: true,
forceAlwaysRun: true,
outputDirectory: output,
skipIfSpecIsUnchanged: false,
debugLogging: true,
)

Expected behavior

@openapi(
additionalProperties: DioProperties(
pubName: EnvKeys.stokk_api,
serializationLibrary: DioSerializationLibrary.jsonSerializable, // when i used this errors
),
inputSpec: InputSpec(path: input),
generatorName: Generator.dio,
runSourceGenOnOutput: true,
fetchDependencies: true,
forceAlwaysRun: true,
outputDirectory: output,
skipIfSpecIsUnchanged: false,
debugLogging: true,
)

Logs

[SEVERE] openapi_generator on lib/my_app.dart:
Failed to generate content.

Could not complete source generation Failed to generate source code. Build Command output: Failed to update packages.
 #0      OpenapiGenerator.runSourceGen (package:openapi_generator/src/openapi_generator_runner.dart:416:34)
<asynchronous suspension>
#1      OpenapiGenerator.generateSources.<anonymous closure> (package:openapi_generator/src/openapi_generator_runner.dart:361:7)
<asynchronous suspension>
#2      OpenapiGenerator.generateSources (package:openapi_generator/src/openapi_generator_runner.dart:360:12)
<asynchronous suspension>

Screenshots

No response

Platform

iOS

Library version

6.1.0

Flutter version

3.29.2

Flutter channel

stable

Additional context