if startOffset > fi.Size || startOffset+length > fi.Size {
		return InvalidRange{startOffset, length, fi.Size}
	}

	// Get start part index and offset.
	partIndex, partOffset, err := fi.ObjectToPartOffset(ctx, startOffset)
	if err != nil {
		return InvalidRange{startOffset, length, fi.Size}
	}

	// Calculate endOffset according to length
	endOffset := startOffset

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrExcessData: {
		Code:           "ExcessData",
		Description:    "More data provided than indicated content length",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrPolicyTooLarge: {
		Code:           "PolicyTooLarge",
		Description:    "Policy exceeds the maximum allowed document size.",