public final Symbol getSymbolBefore(Symbol symbol) {
		return getSymbolBefore(symbol.getAddress());
	}
Returns the previous non-default primary symbol defined
before the given symbol.
@param symbol the symbol to use as a starting point
@return the previous non-default primary symbol
Ghidra/Features/Base/src/main/java/ghidra/program/flatapi/FlatProgramAPI.java