public boolean shouldSave() {
        return (boolean) getProperty(KEY_SAVE);
    }
The binding bridge between OAP and the DSL, which provides some convenient methods to ease the use of the raw {@link groovy.lang.Binding#setProperty(java.lang.String, java.lang.Object)} and {@link
groovy.lang.Binding#getProperty(java.lang.String)}.
oap-server/analyzer/log-analyzer/src/main/java/org/apache/skywalking/oap/log/analyzer/dsl/Binding.java