@Override
    public boolean matches(JsonNode lhs, JsonNode rhs) {
        return lhs.equals(rhs);
    }
Checks whether lhs is equal to rhs

@param lhs Lhs expression
@param rhs Rhs expression
@return True if lhs is equal to rhs;
False otherwise
jmespath-java/src/main/java/com/amazonaws/jmespath/OpEquals.java