private void checkExternalSources()

in src/main/java/org/apache/maven/resolver/internal/ant/types/Dependencies.java [121:128]


    private void checkExternalSources() {
        if (file != null && pom != null) {
            throw new BuildException("You must not specify both a text file and a POM to list dependencies");
        }
        if ((file != null || pom != null) && nestedDependencies) {
            throw new BuildException("You must not specify both a file/POM and nested dependency collections");
        }
    }