static void poke(File file, int parm, int value) throws IOException {
		DataBuffer buffer = LocalBufferFile.peek(file, 0);
		if (buffer.getByte(NODE_TYPE_OFFSET) != NodeMgr.CHAINED_BUFFER_DATA_NODE) {
			throw new AssertException("Unexpected DBParms buffer node type");
		}
		if (buffer.getByte(VERSION_OFFSET) != VERSION) {
			throw new AssertException("Unsupported DBParms format");
		}
		
		storeParm(parm, value, buffer);
		
		LocalBufferFile.poke(file, 0, buffer);
	}
Poke a modified DBParam into a database buffer file.
WARNING! Use with extreme caution since this immediately modifies
the original file in-place and could destroy data if used
improperly.
@param file
@param parm
@param value
@throws IOException
Ghidra/Framework/DB/src/main/java/db/DBParms.java