---
source: tests/test.rs
expression: "format!(\"{:#?}\", engine)"
---
Engine {
    union: U16U0U16U32U32U32(
        EngineBase {
            grammar: Grammar {
                start_nonterminal: "start[0]",
                rules: "start[0] ::= start_optional_0_group_0[1];\nstart_optional_0_group_0[1] ::= \"{\"[0]start[0]\"}\"[1] | \"{}\"[2] | ;\n",
                interned_strings: InternedStrings {
                    nonterminals: StringInterner {
                        dedup: {
                            SymbolU32 {
                                value: 2,
                            }: (),
                            SymbolU32 {
                                value: 1,
                            }: (),
                        },
                        backend: StringBackend {
                            ends: [
                                5,
                                29,
                            ],
                            buffer: "startstart_optional_0_group_0",
                            marker: PhantomData<fn() -> string_interner::symbol::SymbolU32>,
                        },
                    },
                    terminals: StringInterner {
                        dedup: {
                            SymbolU32 {
                                value: 1,
                            }: (),
                            SymbolU32 {
                                value: 2,
                            }: (),
                            SymbolU32 {
                                value: 3,
                            }: (),
                        },
                        backend: StringBackend {
                            ends: [
                                1,
                                2,
                                4,
                            ],
                            buffer: "{}{}",
                            marker: PhantomData<fn() -> string_interner::symbol::SymbolU32>,
                        },
                    },
                    regex_strings: StringInterner {
                        dedup: {},
                        backend: StringBackend {
                            ends: [],
                            buffer: "",
                            marker: PhantomData<fn() -> string_interner::symbol::SymbolU32>,
                        },
                    },
                    excepteds: StringInterner {
                        dedup: {},
                        backend: StringBackend {
                            ends: [],
                            buffer: "",
                            marker: PhantomData<fn() -> string_interner::symbol::SymbolU32>,
                        },
                    },
                },
                id_to_regexes: {},
                id_to_excepteds: {},
                id_to_regex_first_bytes: {},
                id_to_excepted_first_bytes: {},
                id_to_terminals: {
                    "\"}\"[1]": [
                        125,
                    ],
                    "\"{\"[0]": [
                        123,
                    ],
                    "\"{}\"[2]": [
                        123,
                        125,
                    ],
                },
            },
            allowed_first_bytes: [
                125,
            ],
            allowed_token_ids: [
                "}[126]",
            ],
            earley_sets: [
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 0,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 0,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 0,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 0,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 0,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 1,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 1,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 1,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 1,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 1,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 2,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 2,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 2,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 2,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 2,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 3,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 3,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 3,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 3,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 3,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 4,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 4,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 4,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 4,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 4,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 5,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 5,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 5,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 5,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 5,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 6,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 6,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 6,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 6,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 6,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 7,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 7,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 7,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 7,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 7,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 8,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 8,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 8,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 8,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 8,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 9,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 9,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 9,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                        start_position: 9,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 9,
                        state: "[1]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                        start_position: 10,
                        state: "",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{\"[0]start[0]\"}\"[1]",
                        start_position: 10,
                        state: "[0]",
                    },
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> .\"{}\"[2]",
                        start_position: 10,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 8,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 7,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 6,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 5,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 4,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 3,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 2,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 1,
                        state: "[0]",
                    },
                ],
                [
                    EarleyItemDebugStruct {
                        dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0]start[0].\"}\"[1]",
                        start_position: 0,
                        state: "[0]",
                    },
                ],
                [],
            ],
            cache: [],
            regex_id_to_cache: {},
            excepted_id_to_cache: {},
            to_be_completed_items: [],
            to_be_completed_items_buffer: [],
            deduplication_buffer: [],
            postdot_items: [
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 1,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 0,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 2,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 1,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 3,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 2,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 4,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 3,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 5,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 4,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 6,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 5,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 7,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 6,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 8,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 7,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 9,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 8,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start[0]",
                        column: 10,
                    },
                    NormalItems(
                        [
                            EarleyItemDebugStruct {
                                dotted_rule: "start_optional_0_group_0[1] -> \"{\"[0].start[0]\"}\"[1]",
                                start_position: 9,
                                state: "",
                            },
                        ],
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 0,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 0,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 1,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 1,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 2,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 2,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 3,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 3,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 4,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 4,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 5,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 5,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 6,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 6,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 7,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 7,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 8,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 8,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 9,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 9,
                            state: "",
                        },
                    ),
                ),
                (
                    DottedDebugStruct {
                        postdot_nonterminal: "start_optional_0_group_0[1]",
                        column: 10,
                    },
                    LeoEligible(
                        EarleyItemDebugStruct {
                            dotted_rule: "start[0] -> .start_optional_0_group_0[1]",
                            start_position: 10,
                            state: "",
                        },
                    ),
                ),
            ],
            postdot_items_since_last_commit: [],
            leo_items: [
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 0,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 0,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 1,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 1,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 2,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 2,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 3,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 3,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 4,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 4,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 5,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 5,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 6,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 6,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 7,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 7,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 8,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 8,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 9,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 9,
                    },
                ),
                (
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start_optional_0_group_0[1]",
                        start_position: 10,
                    },
                    ToBeCompletedItemDebugStruct {
                        nonterminal: "start[0]",
                        start_position: 10,
                    },
                ),
            ],
            leo_items_buffer: [
                ToBeCompletedItemDebugStruct {
                    nonterminal: "start_optional_0_group_0[1]",
                    start_position: 0,
                },
            ],
            already_predicted_nonterminals: [],
            finished: true,
            config: EngineConfig {
                cache_enabled: true,
                compaction_enabled: true,
            },
            regex_start_config: Config {
                look_behind: None,
                anchored: Yes,
            },
            excepted_start_config: Config {
                look_behind: None,
                anchored: No,
            },
        },
    ),
}