liquibase-core/src/main/java/liquibase/util/ObjectUtil.java
private static Method getReadMethod(Object object, String propertyName) {
        String getMethodName = "get" + propertyName.substring(0, 1).toUpperCase(Locale.ENGLISH)
            + propertyName.substring(1);
        String isMethodName = "is" + propertyName.substring(0, 1).toUpperCase(Locale.ENGLISH)
            + propertyName.substring(1);

        Method[] methods = getMethods(object);

        for (Method method : methods) {
            if ((method.getName().equals(getMethodName) || method.getName().equals(isMethodName)) && (method
                .getParameterTypes().length == 0)) {
                return method;
            }
        }
        return null;
    }
private static Method getReadMethod(Object object, String propertyName) {
        String getMethodName = "get" + propertyName.substring(0, 1).toUpperCase(Locale.ENGLISH)
            + propertyName.substring(1);
        String isMethodName = "is" + propertyName.substring(0, 1).toUpperCase(Locale.ENGLISH)
            + propertyName.substring(1);

        Method[] methods = getMethods(object);

        for (Method method : methods) {
            if ((method.getName().equals(getMethodName) || method.getName().equals(isMethodName)) && (method
                .getParameterTypes().length == 0)) {
                return method;
            }
        }
        return null;
    }
Tries to find the Java method to read a given propertyName for the given object.
@param object the object whose class will be examined
@param propertyName the property name for which the read method should be searched
@return the {@link Method} if found, null in all other cases.