use std::path::PathBuf;use serde::Serialize;use crate::arg_matcher::ArgMatcher;use crate::arg_resolver::PositionalArg;use serde_with::DisplayFromStr;use serde_with::serde_as;pub type Result<T> = std::result::Result<T, Error>;#[serde_as]#[derive(Debug, Eq, PartialEq, Serialize)]#[serde(tag = "type")]pub enum Error {    NoSpecForProgram {        program: String,    },    OptionMissingValue {        program: String,        option: String,    },    OptionFollowedByOptionInsteadOfValue {        program: String,        option: String,        value: String,    },    UnknownOption {        program: String,        option: String,    },    UnexpectedArguments {        program: String,        args: Vec<PositionalArg>,    },    DoubleDashNotSupportedYet {        program: String,    },    MultipleVarargPatterns {        program: String,        first: ArgMatcher,        second: ArgMatcher,    },    RangeStartExceedsEnd {        start: usize,        end: usize,    },    RangeEndOutOfBounds {        end: usize,        len: usize,    },    PrefixOverlapsSuffix {},    NotEnoughArgs {        program: String,        args: Vec<PositionalArg>,        arg_patterns: Vec<ArgMatcher>,    },    InternalInvariantViolation {        message: String,    },    VarargMatcherDidNotMatchAnything {        program: String,        matcher: ArgMatcher,    },    EmptyFileName {},    LiteralValueDidNotMatch {        expected: String,        actual: String,    },    InvalidPositiveInteger {        value: String,    },    MissingRequiredOptions {        program: String,        options: Vec<String>,    },    SedCommandNotProvablySafe {        command: String,    },    ReadablePathNotInReadableFolders {        file: PathBuf,        folders: Vec<PathBuf>,    },    WriteablePathNotInWriteableFolders {        file: PathBuf,        folders: Vec<PathBuf>,    },    CannotCheckRelativePath {        file: PathBuf,    },    CannotCanonicalizePath {        file: String,        #[serde_as(as = "DisplayFromStr")]        error: std::io::ErrorKind,    },}