question: check if a system property with the given name exists . concode_field_sep SystemProperties s_aInstance concode_elem_sep Logger s_aLogger concode_elem_sep Set<String> s_aWarnedPropertyNames concode_field_sep String removePropertyValue concode_elem_sep String getJavaLibraryPath concode_elem_sep String getPropertyValueOrNull concode_elem_sep String getJavaSpecificationUrl concode_elem_sep void setXMLMaxOccur concode_elem_sep String getJavaVersion concode_elem_sep String getUserDir concode_elem_sep int getXMLMaxParameterEntitySizeLimit concode_elem_sep String getJavaClassPath concode_elem_sep String getJavaVmVersion concode_elem_sep String getTmpDir concode_elem_sep int getXMLElementAttributeLimit concode_elem_sep String getUserName concode_elem_sep int getXMLMaxGeneralEntitySizeLimit concode_elem_sep String getJavaClassVersion concode_elem_sep String getJavaSpecificationVendor concode_elem_sep int getXMLMaxOccur concode_elem_sep void setXMLMaxParameterEntitySizeLimit concode_elem_sep String getJavaVendor concode_elem_sep String getOsArch concode_elem_sep String getLineSeparator concode_elem_sep void setXMLTotalEntitySizeLimit concode_elem_sep String getJavaVmUrl concode_elem_sep String getJavaVendorURL concode_elem_sep void setXMLEntityExpansionLimit concode_elem_sep String getJavaSpecificationVersion concode_elem_sep Set<String> getAllPropertyNames concode_elem_sep int getXMLTotalEntitySizeLimit concode_elem_sep void setXMLMaxGeneralEntitySizeLimit concode_elem_sep int getXMLEntityExpansionLimit concode_elem_sep Map<String,String> getAllProperties concode_elem_sep String getOsVersion concode_elem_sep String getFileSeparator concode_elem_sep String getUserHome concode_elem_sep String getJavaVmSpecificationUrl concode_elem_sep String getPropertyValue concode_elem_sep String getJavaVmSpecificationVendor concode_elem_sep void setXMLElementAttributeLimit concode_elem_sep void setPropertyValue concode_elem_sep String getJavaVmVendor concode_elem_sep String getJavaVmSpecificationVersion concode_elem_sep String getPathSeparator concode_elem_sep String getJavaHome concode_elem_sep String getOsName
target: boolean function ( final String arg0 ) { return getAllProperties ( ) . containsKey ( arg0 ) ; }