René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Support for Java interfaces in Native Types","articleBody":"In complex web-facing software, interfaces are very commonly used to model different kinds of context objects (examples from Keycloak: [OAuth2GrantType.Context](https://github.com/keycloak/keycloak/blob/main/server-spi-private/src/main/java/org/keycloak/protocol/oidc/grants/OAuth2GrantType.java#L107), [TokenExchangeContext](https://github.com/keycloak/keycloak/blob/main/server-spi-private/src/main/java/org/keycloak/protocol/oidc/TokenExchangeContext.java)). These objects would perfectly complement any CEL policy being part of request processing. Unfortunately, adding such an object as a variable won't work with Native Extensions, because only List and Map subinterfaces are currently [supported](https://github.com/google/cel-java/blob/main/extensions/src/main/java/dev/cel/extensions/CelNativeTypesExtensions.java#L288).\n\nWould be really nice for CEL to support Java interfaces in a native manner.","author":{"url":"https://github.com/dteleguin","@type":"Person","name":"dteleguin"},"datePublished":"2026-05-18T09:31:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/1061/cel-java/issues/1061"}