@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (Objects.isNull(o) || getClass() != o.getClass()) {
            return false;
        }
        MockHandle that = (MockHandle) o;
        return Objects.equals(httpStatusCode, that.httpStatusCode) && Objects.equals(responseContent, that.responseContent);
    }
set response content.

@param responseContent content.
shenyu-common/src/main/java/org/apache/shenyu/common/dto/convert/rule/MockHandle.java