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Parse the given TOML-formatted string into a TOML map.
If the string does not contain a valid TOML document, a TomlException.ParseError is thrown.
Parse the given TOML-formatted input stream into a TOML map.
If the stream does not contain a valid TOML document, a TomlException.ParseError is thrown.
Parse the given TOML-formatted file into a TOML map.
If the indicated file does not contain a valid TOML document, a TomlException.ParseError is thrown.