text: A string ([XMLSCHEMA2] section 3.2.1) attribute that specifies a text value used for this conditional formatting rule. This attribute MUST NOT exist if type is not equal to "beginsWith", "containsText", "endsWith", or "notContainsText".
timePeriod: An ST_TimePeriod ([ISO/IEC29500-1:2011] section 18.18.82) attribute that specifies the time period used for this conditional formatting rule. This attribute MUST NOT exist if type is not equal to "timePeriod".
rank: An unsignedInt ([XMLSCHEMA2] section 3.3.22) attribute that specifies how many cells are formatted by this conditional formatting rule. The value of percent specifies whether rank is a percentage or a quantity of cells. When percent is "true", rank MUST be greater than or equal to zero and less than or equal to 100. Otherwise, rank MUST be greater than or equal to 1 and less than or equal to 1,000. This attribute MUST NOT exist if type is not equal to "top10".
