Variable messageConfigConst

messageConfig: readonly [
    readonly [
        "addressTableLookups",
        KeyPathWildcard,
        "writableIndexes",
        KeyPathWildcard,
    ],
    readonly [
        "addressTableLookups",
        KeyPathWildcard,
        "readonlyIndexes",
        KeyPathWildcard,
    ],
    readonly ["header", "numReadonlySignedAccounts"],
    readonly ["header", "numReadonlyUnsignedAccounts"],
    readonly ["header", "numRequiredSignatures"],
    readonly ["instructions", KeyPathWildcard, "accounts", KeyPathWildcard],
    readonly ["instructions", KeyPathWildcard, "programIdIndex"],
    readonly ["instructions", KeyPathWildcard, "stackHeight"],
] = ...