public String findTool(String toolName) {
            return toolchain.findTool(toolName);
        }

        @Override
        public boolean matchesRequirements(Map<String, String> requirements) {
            return ((ToolchainPrivate) toolchain).matchesRequirements(requirements);
        }

        @Override
        public String toString() {
            return toolchain.toString();
        }
    }

     * in the toolchain plugin configuration.
     *
     * @param requirements key value pair, may not be {@code null}
     * @return {@code true} if the requirements match, otherwise {@code false}
     */
    boolean matchesRequirements(Map<String, String> requirements);