ContentToken | 
ContentFunction.evaluate(DocumentContext layoutProcess,
        LayoutElement element,
        CSSFunctionValue function)  | 
CSSValue | 
StyleValueFunction.evaluate(DocumentContext layoutProcess,
        LayoutElement element,
        CSSFunctionValue function)  | 
static CSSResourceValue | 
FunctionUtilities.loadResource(DocumentContext process,
            Object value)  | 
static CSSResourceValue | 
FunctionUtilities.loadResource(DocumentContext process,
            Object value,
            Class[] type)  | 
static CSSNumericValue | 
FunctionUtilities.parseNumberValue(String text)  | 
static CSSNumericValue | 
FunctionUtilities.parseNumberValue(String text,
                String type)  | 
static CSSValue | 
FunctionUtilities.resolveParameter(DocumentContext layoutProcess,
                LayoutElement layoutElement,
                CSSValue value)  | 
static String | 
FunctionUtilities.resolveString(DocumentContext layoutProcess,
             LayoutElement layoutElement,
             CSSValue value)  |