question: matches if value is null . concode_field_sep PlaceHolder placeHolder concode_field_sep org.hamcrest.Matcher<T> allOf concode_elem_sep org.hamcrest.Matcher<T> allOf concode_elem_sep org.hamcrest.Matcher<T> sameInstance concode_elem_sep org.hamcrest.Matcher<T> not concode_elem_sep org.hamcrest.Matcher<T> not concode_elem_sep org.hamcrest.Matcher<T> describedAs concode_elem_sep org.hamcrest.Matcher<T> equalTo concode_elem_sep org.hamcrest.Matcher<T> notNullValue concode_elem_sep org.hamcrest.Matcher<T> notNullValue concode_elem_sep org.hamcrest.Matcher<T> anyOf concode_elem_sep org.hamcrest.Matcher<T> anyOf concode_elem_sep org.hamcrest.Matcher<T> is concode_elem_sep org.hamcrest.Matcher<T> is concode_elem_sep org.hamcrest.Matcher<java.lang.Object> is concode_elem_sep org.hamcrest.Matcher<T> any concode_elem_sep org.hamcrest.Matcher<java.lang.Object> instanceOf concode_elem_sep org.hamcrest.Matcher<T> anything concode_elem_sep org.hamcrest.Matcher<T> anything
target: org . hamcrest . Matcher < T > function ( ) { return org . hamcrest . core . IsNull . nullValue ( ) ; }