{@linkplain org.opengis.metadata.constraint.Constraints} information (includes legal and security). The following is adapted from OpenGIS® Metadata (Topic 11) specification.

This package contains information concerning the restrictions placed on data. The {@linkplain org.opengis.metadata.constraint.Constraints constraints} entity is optional and may be specified as {@linkplain org.opengis.metadata.constraint.LegalConstraints legal constraints} and/or {@linkplain org.opengis.metadata.constraint.SecurityConstraints security constraints}. The {@linkplain org.opengis.metadata.constraint.LegalConstraints#getOtherConstraints other constraint} element shall be non-null (used) only if {@linkplain org.opengis.metadata.constraint.LegalConstraints#getAccessConstraints access constraints} and/or {@linkplain org.opengis.metadata.constraint.LegalConstraints#getUseConstraints use constraints} elements have a value of "{@linkplain org.opengis.metadata.constraint.Restriction#OTHER_RESTRICTIONS other restrictions}".