public Builder addAllAbnfStrings(java.lang.Iterable<java.lang.String> values) {
        ensureAbnfStringsIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, abnfStrings_);
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
All declarations and rules of an ABNF grammar broken up into multiple
strings that will end up concatenated.
</pre>

<code>repeated string abnf_strings = 1;</code>

@param values The abnfStrings to add.
@return This builder for chaining.
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/SpeechAdaptation.java