question: removes a value from the session . concode_field_sep Map<String,String> aliases concode_elem_sep Map<String,Object> properties concode_elem_sep Serializable id concode_elem_sep InterruptSignalHandler signalHandler concode_field_sep void set concode_elem_sep Integer getCommitCount concode_elem_sep String[] keys concode_elem_sep Map<String,Object> asMap concode_elem_sep Object getInternal concode_elem_sep Set<String> getAliasKeys concode_elem_sep void setPath concode_elem_sep Serializable getId concode_elem_sep String getTitleKeys concode_elem_sep void setInternal concode_elem_sep String getMaxTitleLength concode_elem_sep InterruptSignalHandler getSignalHandler concode_elem_sep Object get concode_elem_sep String getPath concode_elem_sep void removeAlias concode_elem_sep boolean has concode_elem_sep void setAlias concode_elem_sep String getCurrent concode_elem_sep void setCommitCount concode_elem_sep String getAlias concode_elem_sep void setCurrent
target: Object function ( String arg0 ) { Variables . checkIsValidVariableName ( arg0 ) ; return properties . remove ( arg0 ) ; }