} else {
                file.update(charMappingItem);
            }
        });
    }

    public void delete(final String dictId, final CharMappingItem charMappingItem) {
        getCharMappingFile(dictId).ifPresent(file -> {
            file.delete(charMappingItem);
        });
    }

        keyMatchBhv.insertOrUpdate(keyMatch, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });

    }

    public void delete(final KeyMatch keyMatch) {

        keyMatchBhv.delete(keyMatch, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });

    }

    protected void setupListCondition(final KeyMatchCB cb, final KeyMatchPager keyMatchPager) {

            } else {
                file.update(protwordsItem);
            }
        });
    }

    public void delete(final String dictId, final ProtwordsItem protwordsItem) {
        getProtwordsFile(dictId).ifPresent(file -> {
            file.delete(protwordsItem);
        });
    }

            } else {
                file.update(stemmerOvberrideItem);
            }
        });
    }

    public void delete(final String dictId, final StemmerOverrideItem stemmerOvberrideItem) {
        getStemmerOverrideFile(dictId).ifPresent(file -> {
            file.delete(stemmerOvberrideItem);
        });
    }

  }
  delete(file)
  return false
}

/** Delete file we expect but don't require to exist. */
internal fun FileSystem.deleteIfExists(path: Path) {
  try {
    delete(path)
  } catch (fnfe: FileNotFoundException) {
    return
  }
}

/** Tolerant delete, try to clear as many files as possible even after a failure. */
internal fun FileSystem.deleteContents(directory: Path) {
  var exception: IOException? = null

    }

    // DELETE /api/admin/accesstoken/setting/{id}
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        accessTokenService.getAccessToken(id).ifPresent(entity -> {
            try {
                accessTokenService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));

    }

    // DELETE /api/admin/reqheader/setting/{id}
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        reqHeaderService.getRequestHeader(id).ifPresent(entity -> {
            try {
                reqHeaderService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));

    }

    // DELETE /api/admin/webauth/setting/{id}
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        webAuthService.getWebAuthentication(id).ifPresent(entity -> {
            try {
                webAuthService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));

        return asJson(
                new ApiUpdateResponse().id(doc.get(fessConfig.getIndexFieldDocId()).toString()).created(false).status(Status.OK).result());
    }

    // DELETE /api/admin/searchlist/doc/{doc_id}
    @Execute
    public JsonResponse<ApiResult> delete$doc(final String id) {
        try {
            final QueryBuilder query = QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), id);

	// 3. g1 tx exec insert, wait for unlock `conn.PrepareContext(ctx, query)` to finish tx and release.
	stmt, err := conn.PrepareContext(ctx, query)
	if err != nil {
		cacheStmt.prepareErr = err
		db.Mux.Lock()
		delete(db.Stmts, query)
		db.Mux.Unlock()
		return Stmt{}, err
	}

	db.Mux.Lock()
	cacheStmt.Stmt = stmt
	db.Mux.Unlock()

	return cacheStmt, nil
}