get() = environmentVariable(BUILD_COMMIT_ID)
        .orElse(gradleProperty(BUILD_PROMOTION_COMMIT_ID))
        .orElse(environmentVariable(BUILD_VCS_NUMBER))
        .orElse(currentGitCommitViaFileSystemQuery())


val Project.isBuildCommitDistribution: Boolean
    get() = gradleProperty(BUILD_COMMIT_DISTRIBUTION).map { it.toBoolean() }.orElse(false).get()


val Project.buildConfigurationId: Provider<String>

                    .filter(Expression::isLiteralStringValueExpr)
                    .map(Expression::asLiteralStringValueExpr)
                    .map(LiteralStringValueExpr::getValue)
                    .orElse(null);
                getCurrentClass().getConstants().put(constName, value);
            });
        }
    }

    private TypeMetaData extractTypeName(Type type) {

        is NodeWithSimpleName<*> -> "${inferClassName(unit)}.${it.nameAsString}"
        else -> unit.primaryTypeName.orElse(file.name)
    }

    private
    fun inferClassName(unit: CompilationUnit) =
        "${unit.packageDeclaration.map { it.nameAsString }.orElse("")}.${unit.primaryTypeName.orElse("")}"

    private
    inline fun tryResolve(resolver: () -> String, or: () -> String) = try {
        resolver()