}
            propMap.put(QUERY_TRACK_TOTAL_HITS_VALUE, value);
        }
        return value;
    }

    Integer getProcessorsAsInteger();

    default int availableProcessors() {
        final int num = getProcessorsAsInteger();
        if (num > 0) {
            return num;
        }
        return Runtime.getRuntime().availableProcessors();
    }

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getProcessorsAsInteger();

    /**
     * Get the value for the key 'java.command.path'. <br>
     * The value is, e.g. java <br>
     * @return The value of found property. (NotNull: if not found, exception but basically no way)