// In the library module:
android {
...
	flavorDimensions 'check'
	productFlavors {
	    noBase {}
		withBase {}
	}
..
}

// in the app module:
dependencies {
    implementation project(path: ':mylib', configuration: 'noBaseRelease')
}

// ERROR:
//Unable to resolve dependency for ':example@debug/compileClasspath': Could not resolve project :mylib.

//Could not resolve project :mylib.
//Required by:
//    project :example
// > Project :example declares a dependency from configuration 'implementation' to configuration 'noBaseRelease' which is not declared in the descriptor for project :mylib.