public void setMaskCharacter(String maskCharacter) {
        this.maskCharacter = maskCharacter;
    }
<p>
A character that replaces each character in the redacted PII entity.
</p>

@param maskCharacter
       A character that replaces each character in the redacted PII entity.
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/RedactionConfig.java