The idea is to leverage the Sublime LSP package.

Download from SublimeText 4 page

For instance, code completion for Camel XML.

For instance, code completion for Camel JAVA.

• Tools -> Command palette... -> Package Control: Install Package
• Tools -> Command palette... -> Install LSP

• Download Camel LSP server jar from (https://jar-download.com/artifacts/com.github.camel-tooling/camel-lsp-server/1.6.0/source-code)
• Preferences: Package Setting -> LSP Settings
• Fill LSP.sublime-settings with the following configuration and also please update path to the camel-lsp-server jar

{ "clients":	{ "Camel":	{ "command":	[ "java", "-jar", "PATH/TO/camel-lsp-server-1.6.0.jar"	], "enabled": true, "languages": [	{ "selector": "text.xml", "priority_selector": "text.xml",	},	{ "selector": "source.java", "priority_selector": "source.java",	}	],	},	}, }

• Run the following command in your terminal. Open a .java or .xml in your sublime text to enable camel language server

Download and install a recent Java Development Kit

Java must be added to the system path

git clone https://github.com/camel-tooling/camel-lsp-client-sublime.git ~/.config/sublime-text/Packages/LSP-camel 

Enjoy the Completion of Camel URI in Sublime.