delegate.assertOutputContains(expectedOutput);
        return this;
    }

    @Override
    public ExecutionResult assertContentContains(String content, String expectedOutput, String label) {
        delegate.assertContentContains(content, expectedOutput, label);
        return this;
    }

    @Override
    public ExecutionResult assertNotOutput(String expectedOutput) {

     * @param expectedOutput The expected log message, with line endings normalized to a newline character.
     * @param label The label to use when printing a failure
     */
    ExecutionResult assertContentContains(String content, String expectedOutput, String label);

    /**
     * Asserts that this result does not include the given log message anywhere in the build output.
     *