public GetContextKeysForPrincipalPolicyRequest withPolicyInputList(java.util.Collection<String> policyInputList) {
        setPolicyInputList(policyInputList);
        return this;
    }
<p>
An optional list of additional policies for which you want the list of context keys that are referenced.
</p>
<p>
The <a href="http://wikipedia.org/wiki/regex">regex pattern</a> used to validate this parameter is a string of
characters consisting of the following:
</p>
<ul>
<li>
<p>
Any printable ASCII character ranging from the space character (<code>\u0020</code>) through the end of the ASCII
character range
</p>
</li>
<li>
<p>
The printable characters in the Basic Latin and Latin-1 Supplement character set (through <code>\u00FF</code>)
</p>
</li>
<li>
<p>
The special characters tab (<code>\u0009</code>), line feed (<code>\u000A</code>), and carriage return (<code>\u000D</code>
)
</p>
</li>
</ul>

@param policyInputList
       An optional list of additional policies for which you want the list of context keys that are
       referenced.</p>
       <p>
       The <a href="http://wikipedia.org/wiki/regex">regex pattern</a> used to validate this parameter is a
       string of characters consisting of the following:
       </p>
       <ul>
       <li>
       <p>
       Any printable ASCII character ranging from the space character (<code>\u0020</code>) through the end of
       the ASCII character range
       </p>
       </li>
       <li>
       <p>
       The printable characters in the Basic Latin and Latin-1 Supplement character set (through
       <code>\u00FF</code>)
       </p>
       </li>
       <li>
       <p>
       The special characters tab (<code>\u0009</code>), line feed (<code>\u000A</code>), and carriage return (
       <code>\u000D</code>)
       </p>
       </li>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/model/GetContextKeysForPrincipalPolicyRequest.java