Create Sonar Plugin - Language properties

 Language property class contains the properties related to the language.

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package com.plugin.sonar.language.foo;

import org.sonar.api.config.PropertyDefinition;
import org.sonar.api.resources.Qualifiers;

import java.util.Collections;
import java.util.List;

import static com.plugin.sonar.util.FooConstants.*;

public class FooLanguageProperties {

    private FooLanguageProperties() {
        // only statics
    }

    public static List<PropertyDefinition> getProperties() {
        return Collections.singletonList(PropertyDefinition.builder(FILE_SUFFIXES_KEY)//".foo,.f"
                .defaultValue(FILE_SUFFIXES_DEFAULT_VALUE)
                .category(LANGUAGE_NAME)
                .name("File Suffixes")
                .description("Comma-separated list of suffixes for files to analyze.")
                .onQualifiers(Qualifiers.PROJECT)
                .build());
    }
}