"mods": {`
      "android": {
        "gradleProperties": [
          {
            "type": "comment",
            "value": "org.gradle.jvmargs=-Xmx2048m -XX:MaxMetaspaceSize=512m"
          },
          {
            "type": "property",
            "key": "org.gradle.jvmargs",
            "value": "-Xmx2048m -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8"
          }
        ]
      }
    },

I need to tweak java memory for my project to build and i tried to change using this rather than directly modifying native folders, but somehow this code is not working.