public void setQualificationRequirements(java.util.Collection<QualificationRequirement> qualificationRequirements) {
        if (qualificationRequirements == null) {
            this.qualificationRequirements = null;
            return;
        }

        this.qualificationRequirements = new java.util.ArrayList<QualificationRequirement>(qualificationRequirements);
    }
<p>
Conditions that a Worker's Qualifications must meet in order to accept the HIT. A HIT can have between zero and
ten Qualification requirements. All requirements must be met in order for a Worker to accept the HIT.
Additionally, other actions can be restricted using the <code>ActionsGuarded</code> field on each
<code>QualificationRequirement</code> structure.
</p>

@param qualificationRequirements
       Conditions that a Worker's Qualifications must meet in order to accept the HIT. A HIT can have between
       zero and ten Qualification requirements. All requirements must be met in order for a Worker to accept the
       HIT. Additionally, other actions can be restricted using the <code>ActionsGuarded</code> field on each
       <code>QualificationRequirement</code> structure.
aws-java-sdk-mechanicalturkrequester/src/main/java/com/amazonaws/services/mturk/model/HIT.java