```

Note: In the case of S3, it is possible to create a tier from MinIO running in EC2 to S3 using AWS role attached to EC2 as credentials instead of accesskey/secretkey:

```
mc admin tier add s3 source S3TIER --bucket s3bucket --prefix testprefix/ --use-aws-role
```

    @Override
    public RoleDbm asDBMeta() {
        return RoleDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "role";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {
        return doGetConditionQuery();

        // Test setAttr
        tag.setAttr("data-role", "button");
        assertTrue(tag.toString().contains("attrName=data-role"));
        assertTrue(tag.toString().contains("attrValue=button"));

        // Test overwriting values
        tag.setId("new-id");
        tag.setCss("new-class");
        tag.setAttr("role", "link");
        assertTrue(tag.toString().contains("id=new-id"));

        }

        public void columnRegisteredAddress() {
            doColumn("registeredAddress");
        }

        public void columnRoles() {
            doColumn("roles");
        }

        public void columnRoomNumber() {
            doColumn("roomNumber");
        }

        public void columnState() {
            doColumn("state");
        }

    }

    public void setRoles_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda) {
        setRoles_Terms("roles", opLambda, null);
    }

    public void setRoles_Terms(ConditionOptionCall<TermsAggregationBuilder> opLambda, OperatorCall<BsUserCA> aggsLambda) {
        setRoles_Terms("roles", opLambda, aggsLambda);
    }

                                </la:info>
                                <la:errors/>
                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>

     *
     * @param withLabelType whether to include label type information (currently not used in implementation)
     * @param withRoleType whether to include role type information (currently not used in implementation)
     * @param available whether to filter only available configurations
     * @param idList the list of configuration IDs to retrieve, or null for no ID filtering

class ClientGrantsCredentialProvider(CredentialProvider):
    """
    ClientGrantsCredentialProvider implements CredentialProvider compatible
    implementation to be used with boto_session
    """
    METHOD = 'assume-role-client-grants'
    CANONICAL_NAME = 'AssumeRoleClientGrants'

    def __init__(self, cid, csec,
                 idp_ep='http://localhost:8080/auth/realms/minio/protocol/openid-connect/token',

            doColumn("requestedAt");
        }

        public void columnResponseTime() {
            doColumn("responseTime");
        }

        public void columnRoles() {
            doColumn("roles");
        }

        public void columnSearchWord() {
            doColumn("searchWord");
        }

        public void columnUser() {
            doColumn("user");
        }

import org.apache.maven.artifact.ArtifactScopeEnum;

/**
 * Helper class to convert a metadata Graph into some form of a classpath
 *
 *
 */
@Deprecated
public interface ClasspathTransformation {
    String ROLE = ClasspathTransformation.class.getName();

    /**
     * Transform Graph into a Collection of metadata objects that
     * could serve as a classpath for a particular scope
     *