public void setFunctionArns(java.util.Collection<String> functionArns) {
        if (functionArns == null) {
            this.functionArns = null;
            return;
        }

        this.functionArns = new com.amazonaws.internal.SdkInternalList<String>(functionArns);
    }
<p>
The function ARNs.
</p>

@param functionArns
       The function ARNs.
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/ListFunctionsByCodeSigningConfigResult.java