public static synchronized boolean hasProperty(Program program, Object key) {
		PerProgramProperties perProgramProps = properties.get(program);
		return perProgramProps != null ? perProgramProps.props.containsKey(key) : false;
	}
Returns true if the specified property is present.
 
@param program {@link Program}
@param key property key
@return boolean true if property is present.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/analysis/TransientProgramProperties.java