public UpdateFieldsPresentEncoder meanActivations(final boolean value) {
        int bits = buffer.getInt(offset, java.nio.ByteOrder.LITTLE_ENDIAN);
        bits = value ? bits | (1 << 11) : bits & ~(1 << 11);
        buffer.putInt(offset, bits, java.nio.ByteOrder.LITTLE_ENDIAN);
        return this;