assertThat(storeOperation(), nullValue())
    }

    private BuildOperationRecord loadOperation() {
        operations.firstMatchingRegex("Load (configuration cache|instant execution) state")
    }

    private BuildOperationRecord storeOperation() {
        operations.firstMatchingRegex("Store (configuration cache|instant execution) state.*")
    }

        assert records.size() == 1
        return records.first()
    }

    BuildOperationRecord first(String displayName) {
        firstMatchingRegex(Pattern.quote(displayName))
    }

    BuildOperationRecord firstMatchingRegex(String regex) {
        first(Pattern.compile(regex))
    }

    abstract BuildOperationRecord first(Pattern displayName)

    abstract List<BuildOperationRecord> all();