public void setIgnoreDefinedData(boolean ignoreDefinedData) {
		this.ignoreDefinedData = ignoreDefinedData;
	}
Sets whether or not existing defined data should invalidate the creation of new data.
@param ignoreDefinedData false indicates existing defined data, where the data would be 
created, should cause validation to fail.
Ghidra/Features/Base/src/main/java/ghidra/app/util/datatype/microsoft/DataValidationOptions.java