if (customSettingsFile != null) {
            validateIsFileAndExists(customSettingsFile, "settings file");
        }
        for (File initScript : startParameter.getInitScripts()) {
            validateIsFileAndExists(initScript, "initialization script");
        }

        return delegate.execute(action, actionParameters, requestContext);
    }

        buildSrcStartParameter.setProjectProperties(containingBuildParameters.getProjectProperties());
        buildSrcStartParameter.doNotSearchUpwards();
        buildSrcStartParameter.setInitScripts(containingBuildParameters.getInitScripts());
        return buildSrcStartParameter;
    }

        includedBuildStartParam.setCurrentDir(buildRootDir);
        includedBuildStartParam.doNotSearchUpwards();
        includedBuildStartParam.setInitScripts(startParameter.getInitScripts());
        includedBuildStartParam.setExcludedTaskNames(startParameter.getExcludedTaskNames());
        return includedBuildStartParam;
    }

    /**

     * that init script will also be run.
     *
     * @return list of all explicitly added init scripts.
     */
    public List<File> getInitScripts() {
        return Collections.unmodifiableList(initScripts);
    }

    /**
     * Returns all init scripts, including explicit init scripts and implicit init scripts.
     *

            NO_NULL_STRING_MAP_SERIALIZER.write(encoder, startParameter.getSystemPropertiesArgs());
            fileListSerializer.write(encoder, startParameter.getInitScripts());
            stringListSerializer.write(encoder, startParameter.getLockedDependenciesToUpdate());

            // Flags
            encoder.writeBoolean(startParameter.isBuildProjectDependencies());