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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def to_build_module(build_file_path: str, conf: Config) -> str: """Return a normalized build module name for `build_file_path`."""

    build_file = Path(build_file_path)
    root = Path(conf.project_root)
    return build_file.resolve().relative_to(root).parent.as_posix().strip('.')