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fix: when using JsonTypeInfo.DEDUCTION don’t add include (#587)

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From the JSonTypeInfo Javadocs:

> If deduction is being used annotation properties visible, property and include are ignored.

This is causing issues with serialization downstream.
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Sergio del Amo 2025-09-30 15:59:17 +02:00 • committed by GitHub
commit 12292ab598
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mcp-core/src/main/java/io/modelcontextprotocol/spec/McpSchema.java
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@ -1064,7 +1064,7 @@ public final class McpSchema {
/** /**
* The contents of a specific resource or sub-resource. * The contents of a specific resource or sub-resource.
*/ */
@JsonTypeInfo(use = JsonTypeInfo.Id.DEDUCTION, include = As.PROPERTY) @JsonTypeInfo(use = JsonTypeInfo.Id.DEDUCTION)
@JsonSubTypes({ @JsonSubTypes.Type(value = TextResourceContents.class, name = "text"), @JsonSubTypes({ @JsonSubTypes.Type(value = TextResourceContents.class, name = "text"),
@JsonSubTypes.Type(value = BlobResourceContents.class, name = "blob") }) @JsonSubTypes.Type(value = BlobResourceContents.class, name = "blob") })
public sealed interface ResourceContents extends Meta permits TextResourceContents, BlobResourceContents { public sealed interface ResourceContents extends Meta permits TextResourceContents, BlobResourceContents {