code: public Builder toBuilder() {
  		return builder()
  			.name(_name)
  			.desc(_description)
  			.author(_author)
  			.copyright(_copyright)
  			.links(_links)
  			.time(_time)
  			.keywords(_keywords)
  			.bounds(_bounds);
  	}
docs: Convert the <em>immutable</em> metadata object into a <em>mutable</em>
  builder initialized with the current metadata values.
  
  @since 1.1
  
  @return a new metadata builder initialized with the values of {@code this}
  metadata