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Visual Studio reports API ambiguity #1800

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#1801
Closed
Visual Studio reports API ambiguity#1800
#1801
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Description

@ScarletKuro
ScarletKuro
opened on Dec 22, 2025
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Describe the bug
I noticed that Visual Studio 2026 with ReSharper reports an ambiguity between the following API overloads:

IRenderedComponent<TComponent> Render<TComponent>(Action<ComponentParameterCollectionBuilder<TComponent>>? parameterBuilder = null) where TComponent : IComponent

IRenderedComponent<TComponent> Render<TComponent>(RenderFragment renderFragment) where TComponent : IComponent
Image

While this is a false positive, the project compiles successfully and all tests pass, I would suggest changing the API to the following:

IRenderedComponent<TComponent> Render<TComponent>() where TComponent : IComponent

IRenderedComponent<TComponent> Render<TComponent>(Action<ComponentParameterCollectionBuilder<TComponent>> parameterBuilder) where TComponent : IComponent

IRenderedComponent<TComponent> Render<TComponent>(RenderFragment renderFragment) where TComponent : IComponent

(Remove parameterBuilder = null and add new overload without parameters)
Although it isn’t ABI-compatible, it is source-compatible, so I wouldn’t consider it a breaking change.

Version info:

  • bUnit version 2.4.2:
  • .NET SDK: 10.0.101
  • OS type and version: Windows 10 PRO 19045.6466
  • VS 2026: 18.1.1
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