public void saveBase64(char[] buffer,int offset,char[] encoder) {
		buffer[offset] = encoder[tf];
		int val = hash;
		buffer[offset+6] = encoder[ val & 3 ];	// Final 2 bits
		val >>>= 2;
		buffer[offset+5] = encoder[ val & 0x3f ];
		val >>>= 6;
		buffer[offset+4] = encoder[ val & 0x3f ];
		val >>>= 6;
		buffer[offset+3] = encoder[ val & 0x3f ];
		val >>>= 6;
		buffer[offset+2] = encoder[ val & 0x3f ];
		val >>>= 6;
		buffer[offset+1] = encoder[ val & 0x3f ];
	}
Restore entry but recalculate the idf
@param parser		// xml state
@param w				// weight factory to calculate coefficient with
@param lookup		// lookup object to recalculate idf
Ghidra/Framework/Generic/src/main/java/generic/lsh/vector/HashEntry.java