public static String getPackageName(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);

        final String fqcn = clazz.getName();
        final int pos = fqcn.lastIndexOf('.');
        if (pos > 0) {
            return fqcn.substring(0, pos);
        }
        return null;
    }

    /**
     * Returns the class name without the package name from the fully qualified class name (FQCN).
     *

        final String[] path = referenceClass.getName().split("\\.");
        String baseUrl = url.toExternalForm();
        for (final String element : path) {
            final int pos = baseUrl.lastIndexOf('/');
            baseUrl = baseUrl.substring(0, pos);
        }
        return getTraverser(URLUtil.create(baseUrl + '/'), null, null);
    }

    /**

    long length = 0;
    for (long[] array : arrays) {
      length += array.length;
    }
    long[] result = new long[checkNoOverflow(length)];
    int pos = 0;
    for (long[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);
      pos += array.length;
    }
    return result;
  }

  private static int checkNoOverflow(long result) {
    checkArgument(
        result == (int) result,

TF_Operation* TF_GraphNextOperation(TF_Graph* graph, size_t* pos) {
  if (*pos == 0) {
    // Advance past the first sentinel nodes in every graph (the source & sink).
    *pos += 2;
  } else {
    // Advance to the next node.
    *pos += 1;
  }

  mutex_lock l(graph->mu);
  while (*pos < static_cast<size_t>(graph->graph.num_node_ids())) {
    Node* node = graph->graph.FindNodeId(*pos);

pkg encoding/base32, method (Encoding) WithPadding(int32) *Encoding
pkg encoding/csv, type Reader struct, ReuseRecord bool
pkg encoding/json, func Valid([]uint8) bool
pkg go/ast, type TypeSpec struct, Assign token.Pos
pkg go/types, func SizesFor(string, string) Sizes
pkg go/types, method (*TypeName) IsAlias() bool
pkg hash/fnv, func New128() hash.Hash
pkg hash/fnv, func New128a() hash.Hash
pkg html/template, const ErrPredefinedEscaper = 11

		storageLogIf(GlobalContext, err)
		return buf
	}
	// Skip CRC
	if maj > 1 || minor >= 2 {
		_, metaBuf, err = msgp.ReadUint32Bytes(metaBuf)
		storageLogIf(GlobalContext, err)
	}
	//   =  input - current pos
	ends := len(buf) - len(metaBuf)
	if ends > len(buf) {
		return buf
	}

	return buf[:ends]

// Iterate through the operations of a graph.  To use:
// size_t pos = 0;
// TF_Operation* oper;
// while ((oper = TF_GraphNextOperation(graph, &pos)) != nullptr) {
//   DoSomethingWithOperation(oper);
// }
TF_CAPI_EXPORT extern TF_Operation* TF_GraphNextOperation(TF_Graph* graph,
                                                          size_t* pos);

// Write out a serialized representation of `graph` (as a GraphDef protocol

pkg expvar, method (*Map) Delete(string)
pkg go/doc, const PreserveAST = 4
pkg go/doc, const PreserveAST Mode
pkg go/importer, func ForCompiler(*token.FileSet, string, Lookup) types.Importer
pkg go/token, method (*File) LineStart(int) Pos
pkg io, type StringWriter interface { WriteString }
pkg io, type StringWriter interface, WriteString(string) (int, error)
pkg log, method (*Logger) Writer() io.Writer
pkg math/bits, func Add(uint, uint, uint) (uint, uint)

            entity.setNewToken(form.token);
            entity.setNewSegmentation(form.segmentation);
            entity.setNewReading(form.reading);
            entity.setNewPos(form.pos);
            return entity;
        });
    }

    // ===================================================================================

pkg go/build, type MultiplePackageError struct, Packages []string

# CL 135110044 go/token: implement PositionFor accessors, Robert Griesemer <******@****.***>
pkg go/token, method (*File) PositionFor(Pos, bool) Position
pkg go/token, method (*FileSet) PositionFor(Pos, bool) Position

# CL 109000049 image: add RGBAAt, Gray16At, etc., ChaiShushan <******@****.***>
pkg image, method (*Alpha) AlphaAt(int, int) color.Alpha