ensures the truth of an expression involving one or more arguments passed to the calling method . concode_field_sep PlaceHolder placeHolder concode_field_sep String checkNotEmpty concode_elem_sep String checkNotEmpty concode_elem_sep T checkNotNull concode_elem_sep T checkNotNull concode_elem_sep void checkState concode_elem_sep void checkState concode_elem_sep void checkMainThread
void function ( boolean arg0 , Object arg1 ) { if ( ExoPlayerLibraryInfo . ASSERTIONS_ENABLED && ! arg0 ) { throw new IllegalArgumentException ( String . valueOf ( arg1 ) ) ; } }