public static ParameterTool fromSystemProperties() {
        return fromMap((Map) System.getProperties());
    }
Returns {@link ParameterTool} from the system properties. Example on how to pass system
properties: -Dkey1=value1 -Dkey2=value2

@return A {@link ParameterTool}
inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/util/ParameterTool.java