This commit has broken the icefaces4/trunk build:
compile:
[javac] Compiling 188 source files to /Users/Ken/Code/svn/icefaces4-trunk/icefaces/core/build/classes
[javac] /Users/Ken/Code/svn/icefaces4-trunk/icefaces/core/src/main/java/org/icefaces/impl/context/DOMResponseWriter.java:275: cannot find symbol
[javac] symbol : method getPassThroughAttributes(boolean)
[javac] location: class javax.faces.component.UIComponent
[javac] Map<String, Object> passthroughAttributes = component.getPassThroughAttributes(false);
[javac] ^
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.
[javac] 1 error
BUILD FAILED
Use reflection to invoke UIComponent.getPassThroughAttributes method since this is present only in JSF 2.2.