ADDW	R7@>2, R5, R16                                   // ERROR "unsupported shift operator"
	ADDS	R7@>2, R5, R16                                   // ERROR "unsupported shift operator"
	ADDSW	R7@>2, R5, R16                                   // ERROR "unsupported shift operator"
	SUB	R7@>2, R5, R16                                   // ERROR "unsupported shift operator"

		code:       "ParseUnsupportedLiteralsGroupBy",
		message:    "The SQL expression contains an unsupported use of GROUP BY.",
		statusCode: 400,
		cause:      err,
	}
}

func errParseExpectedMember(err error) *s3Error {
	return &s3Error{
		code:       "ParseExpectedMember",
		message:    "The SQL expression contains an unsupported use of MEMBER.",
		statusCode: 400,
		cause:      err,
	}
}

	MOVB	$1, X5				// ERROR "unsupported constant load"
	MOVH	$1, X5				// ERROR "unsupported constant load"
	MOVW	$1, X5				// ERROR "unsupported constant load"
	MOVF	$1, X5				// ERROR "unsupported constant load"
	MOVBU	X5, (X6)			// ERROR "unsupported unsigned store"
	MOVHU	X5, (X6)			// ERROR "unsupported unsigned store"
	MOVWU	X5, (X6)			// ERROR "unsupported unsigned store"

        @DisplayName("should reject upgrade from unsupported version")
        void shouldRejectUpgradeFromUnsupportedVersion(String unsupportedVersion) {
            assertFalse(ModelVersionUtils.canUpgrade(unsupportedVersion, "4.1.0"));
        }

        @ParameterizedTest(name = "to {0}")
        @ValueSource(strings = {"3.0.0", "5.0.0"})
        @DisplayName("should reject upgrade to unsupported version")

 * When {@code --fix-model} option is enabled (or by default), applies fixes for Maven 4 compatibility issues:
 * <ul>
 *   <li><strong>Unsupported combine.children Attributes</strong>: Changes 'override' to 'merge' (Maven 4 only supports 'append' and 'merge')</li>
 *   <li><strong>Unsupported combine.self Attributes</strong>: Changes 'append' to 'merge' (Maven 4 only supports 'override', 'merge', and 'remove')</li>

                is CtMethod -> ktFile.getSince(ctDeclaringClass, ctMember, fallback = declaringClassSince)
                else -> error("Unsupported japicmp member type '${member::class}'")
            }
        }
    }

    private
    fun KtFile.getSince(declaringClass: CtClass, field: CtField, fallback: String?): SinceTagStatus =

		return
	}

	action := r.Form.Get(stsAction)
	switch action {
	case assumeRole:
	default:
		writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Unsupported action %s", action))
		return
	}

	ctx = newContext(r, w, action)

	// Validate the authentication result here so that failures will be audit-logged.
	if apiErrCode != ErrNone {

// name tierName, otherwise returns madmin.Unsupported and false. N B this
// function is meant for internal use, where the caller is expected to take
// appropriate locks.
func (config *TierConfigMgr) isTierNameInUse(tierName string) (madmin.TierType, bool) {
	if t, ok := config.Tiers[tierName]; ok {
		return t.Type, true
	}
	return madmin.Unsupported, false
}

            } finally {
                context.unindent();
            }
        }

        return new UpgradeResult(processedPoms, modifiedPoms, errorPoms);
    }

    /**
     * Fixes unsupported combine.children attribute values.
     * Maven 4 only supports 'append' and 'merge', not 'override'.
     */
    private boolean fixUnsupportedCombineChildrenAttributes(Document pomDocument, UpgradeContext context) {

			case string:
				tx.Statement.Selects = append(tx.Statement.Selects, arg)
			case []string:
				tx.Statement.Selects = append(tx.Statement.Selects, arg...)
			default:
				tx.AddError(fmt.Errorf("unsupported select args %v %v", query, args))
				return
			}
		}

		if clause, ok := tx.Statement.Clauses["SELECT"]; ok {
			clause.Expression = nil
			tx.Statement.Clauses["SELECT"] = clause
		}
	case string: