// NewQueueStore - Creates an instance for QueueStore.
func NewQueueStore[I any](directory string, limit uint64, ext string) *QueueStore[I] {
	if limit == 0 {
		limit = defaultLimit
	}

	if ext == "" {
		ext = defaultExt
	}

	return &QueueStore[I]{
		directory:  directory,
		entryLimit: limit,
		fileExt:    ext,
		entries:    make(map[string]int64, limit),
	}
}

// Open - Creates the directory if not present.

            String ext;
            if (outputExtension == null) {
                if (StringUtil.isNotBlank(extention)) {
                    ext = "." + extention;
                } else {
                    ext = extention;
                }
            } else {
                ext = outputExtension;
            }

        }
    }

    /**
     * Gets the extractor for the specified file extension.
     *
     * @param ext the file extension
     * @return the extractor for the extension, or null if not found
     */
    private Extractor getExtractor(final String ext) {
        return extractorMap.get(ext);
    }

    /**
     * Gets the output extension for the specified input extension.
     *

        when(artifact.getGroupId()).thenReturn("group1");
        when(artifact.getArtifactId()).thenReturn("artifact1");
        when(artifact.getExtension()).thenReturn("ext");
        when(artifact.getClassifier()).thenReturn("classifier1");
        when(artifact.getVersion()).thenReturn("1");
        artifacts.add(artifact);

        Artifact artifact2 = mock(Artifact.class);

import org.codelibs.fess.crawler.Constants;
import org.codelibs.fess.crawler.entity.ExtractData;
import org.codelibs.fess.crawler.exception.ExtractException;
import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
import org.commonmark.ext.front.matter.YamlFrontMatterVisitor;
import org.commonmark.node.AbstractVisitor;
import org.commonmark.node.Heading;
import org.commonmark.node.Link;
import org.commonmark.node.Node;

        params {
            password(
                "env.DEVELOCITY_ACCESS_KEY",
                "%ge.gradle.org.access.key%;%develocity.grdev.net.access.key%;%develocity-ext-hetzner.grdev.net.access.key%",
            )
            password("env.ORG_GRADLE_PROJECT_botGradleGitHubToken", "%github.bot-gradle.token%")
        }

        features {

            if (extensions != null) {
                for (Extension ext : extensions) {
                    String version;
                    if (ext.getVersion() == null || ext.getVersion().isEmpty()) {
                        version = "RELEASE";
                    } else {
                        version = ext.getVersion();
                    }

                    patternLayout {
                        artifact("[revision]/[artifact]-[revision]-[ext]")
                    }
                    metadataSources { artifact() }
                    content {
                        includeGroup("android-studio")
                    }
                }
            }

        if (fileName == null) {
            return false;
        }
        final String lFileName = fileName.toLowerCase(Locale.ENGLISH);
        for (final String ext : exts) {
            if (lFileName.endsWith("." + ext)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Download a design file.
     * @param form The file access form.

	isIndex := false
	num := int16(0)
	isAmount := true // Amount is zero by default
	ext := ""
	if p.peek() == lex.LSH {
		// (Rn)(Rm<<2), the shifted offset register.
		ext = "LSL"
	} else {
		// (Rn)(Rm.UXTW<1), the extended offset register.
		// Rm.UXTW<<3, the extended register.
		p.get('.')
		tok := p.next()
		ext = tok.String()
	}
	if p.peek() == lex.LSH {