sourceSets {
    annotations {
        java.srcDirs = ["src/annotations"]
        java.outputDir = file("${buildDir}/annotations")
    }
    main {
        java.srcDirs = ["src/main"]
        java.outputDir = file("${buildDir}/main")
        compileClasspath += sourceSets.annotations.output
    }
    examples {
        java.srcDirs = ["src/examples"]
        java.outputDir = file("${buildDir}/examples")
        compileClasspath += sourceSets.main.output
    }
    classes {
        java.srcDirs = ["src/classes"]
        java.outputDir = file("${buildDir}/classes")
        compileClasspath += sourceSets.main.output + sourceSets.annotations.output
    }
    peers {
        java.srcDirs = ["src/peers"]
        java.outputDir = file("${buildDir}/peers")
        compileClasspath += sourceSets.main.output + sourceSets.annotations.output
    }
    test {
        java.srcDirs = ["src/tests"]
        java.outputDir = file("${buildDir}/tests")
        compileClasspath += sourceSets.annotations.output + sourceSets.classes.output + sourceSets.peers.output
        runtimeClasspath += compileClasspath
    }
}