private static int checkFormalTypeParameters(final String signature, int pos) {
		// FormalTypeParameters:
		// < FormalTypeParameter+ >

		pos = checkChar('<', signature, pos);
		pos = checkFormalTypeParameter(signature, pos);
		while (getChar(signature, pos) != '>') {
			pos = checkFormalTypeParameter(signature, pos);
		}
		return pos + 1;
	}