@com.fasterxml.jackson.annotation.JsonProperty("reason")
    public String getReason() {
        return this.reason;
    }
<p>
The reason why it failed service validation.
</p>

@return The reason why it failed service validation.
@see ValidationExceptionReason
aws-java-sdk-mainframemodernization/src/main/java/com/amazonaws/services/mainframemodernization/model/ValidationException.java