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For convenience, you can clone the module from the template processor operator. Your Java Code should be based in my-module/src/main/java/<code-base>/, there you should place your Operator sub-class. Tests should be placed in my-module/src/test/java/<code-base>/, test resources in my-module/src/test/resources/<code-base>/. The meaning of the other files is explained in How to integrate an operator .
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