/guava/guava/src/com/google/common/collect/ObjectArrays.java
if ( ( dst.length) > len) {   Nullable   Object[] unsoundlyCovariantArray = dst;   unsoundlyCovariantArray[len] = null; }
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static <T extends @Nullable Object> T[] toArrayImpl( @Nullable Object[] src, int offset, int len, T[] dst) { checkPositionIndexes(offset, offset + len, src.length); if (dst.length < len) { dst = newArray(dst, len); } else if (dst.length > len) { <extra_id_0> unsoundlyCovariantArray[len] = null; } System.arraycopy(src, offset, dst, 0, len); return dst; } static @Nullable Object[] toArrayImpl(Collection<?> c) {