public ListFunctionsByCodeSigningConfigResult withFunctionArns(String... functionArns) {
        if (this.functionArns == null) {
            setFunctionArns(new com.amazonaws.internal.SdkInternalList<String>(functionArns.length));
        }
        for (String ele : functionArns) {
            this.functionArns.add(ele);
        }
        return this;
    }
<p>
The function ARNs.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setFunctionArns(java.util.Collection)} or {@link #withFunctionArns(java.util.Collection)} if you want to
override the existing values.
</p>

@param functionArns
       The function ARNs.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/ListFunctionsByCodeSigningConfigResult.java