public String getPrincipalEntityType() {
        return this.principalEntityType;
    }
<p>
Specifies the namespace and data type of the principals generated for identities authenticated by the new
identity source.
</p>

@return Specifies the namespace and data type of the principals generated for identities authenticated by the new
        identity source.
aws-java-sdk-verifiedpermissions/src/main/java/com/amazonaws/services/verifiedpermissions/model/CreateIdentitySourceRequest.java