a signature that can be used to verify the document 's accuracy and authenticity . concode_field_sep String signature concode_elem_sep String document concode_field_sep void setDocument concode_elem_sep String getDocument concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep void setSignature concode_elem_sep InstanceIdentity clone concode_elem_sep String getSignature concode_elem_sep String toString concode_elem_sep InstanceIdentity withDocument
InstanceIdentity function ( String arg0 ) { setSignature ( arg0 ) ; return this ; }