@Markup
	public GoType getType() throws IOException {
		return programContext.getGoTypes().resolveTypeOff(context.getStructureStart(), mtyp);
	}
Return the {@link GoType} that defines the funcdef / func signature.
<p>
Commonly will return {@code null} because the RTTI does not have any data for
the method.

@return {@link GoType} that defines the funcdef / func signature
@throws IOException if error reading data
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/rtti/types/GoMethod.java