public DescribeAgreementResult withProposalSummary(ProposalSummary proposalSummary) {
        setProposalSummary(proposalSummary);
        return this;
    }
<p>
A summary of the proposal received from the proposer.
</p>

@param proposalSummary
       A summary of the proposal received from the proposer.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-marketplaceagreement/src/main/java/com/amazonaws/services/marketplaceagreement/model/DescribeAgreementResult.java