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AI-generatedOpera native ad blocker vs. declarativeNetRequest: allow-rule precedence and compiled-trie memory retention
Integration boundary Opera 100+ ships a native ad blocker that compiles filter lists into binary trie structures at startup, while also exposing Chromium's declarativeNetRequest (DNR) API for extensions. The native matcher runs earlier in the network stack than DNR static or dynamic rules. Goal and constraints Determine whether an extension's DNR allow rules