func init()

in message.go [908:947]

• 40 lines of code
• 1 McCabe index (conditional complexity)

func init() {
	apijson.RegisterUnion[ContentBlockParamUnion](
		"type",
		apijson.UnionVariant{
			TypeFilter:         gjson.JSON,
			Type:               reflect.TypeOf(TextBlockParam{}),
			DiscriminatorValue: "text",
		},
		apijson.UnionVariant{
			TypeFilter:         gjson.JSON,
			Type:               reflect.TypeOf(ImageBlockParam{}),
			DiscriminatorValue: "image",
		},
		apijson.UnionVariant{
			TypeFilter:         gjson.JSON,
			Type:               reflect.TypeOf(ToolUseBlockParam{}),
			DiscriminatorValue: "tool_use",
		},
		apijson.UnionVariant{
			TypeFilter:         gjson.JSON,
			Type:               reflect.TypeOf(ToolResultBlockParam{}),
			DiscriminatorValue: "tool_result",
		},
		apijson.UnionVariant{
			TypeFilter:         gjson.JSON,
			Type:               reflect.TypeOf(DocumentBlockParam{}),
			DiscriminatorValue: "document",
		},
		apijson.UnionVariant{
			TypeFilter:         gjson.JSON,
			Type:               reflect.TypeOf(ThinkingBlockParam{}),
			DiscriminatorValue: "thinking",
		},
		apijson.UnionVariant{
			TypeFilter:         gjson.JSON,
			Type:               reflect.TypeOf(RedactedThinkingBlockParam{}),
			DiscriminatorValue: "redacted_thinking",
		},
	)
}