public RedactionConfig withMaskCharacter(String maskCharacter) {
        setMaskCharacter(maskCharacter);
        return this;
    }
<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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/RedactionConfig.java