fn __zero_std_log_write(buffer: MutSpan<u8>, offset: usize, bytes: Span<u8>) -> Maybe<usize> {
    return std.io.writeSpan(buffer, offset, bytes)
}

fn __zero_std_log_write_json(buffer: MutSpan<u8>, offset: usize, value: Span<u8>) -> Maybe<usize> {
    if offset > std.mem.len(buffer) {
        return null
    }
    let written: Maybe<Span<u8>> = std.json.writeStringBytes(buffer[offset..], value)
    if written.has {
        return offset + std.mem.len(written.value)
    }
    return null
}

fn __zero_std_log_message(buffer: MutSpan<u8>, level: Span<u8>, message: Span<u8>) -> Maybe<Span<u8>> {
    var offset: usize = 0
    let opened: Maybe<usize> = __zero_std_log_write(buffer, offset, "{\"level\":")
    if !opened.has {
        return null
    }
    offset = opened.value
    let wrote_level: Maybe<usize> = __zero_std_log_write_json(buffer, offset, level)
    if !wrote_level.has {
        return null
    }
    offset = wrote_level.value
    let wrote_message_key: Maybe<usize> = __zero_std_log_write(buffer, offset, ",\"message\":")
    if !wrote_message_key.has {
        return null
    }
    offset = wrote_message_key.value
    let wrote_message: Maybe<usize> = __zero_std_log_write_json(buffer, offset, message)
    if !wrote_message.has {
        return null
    }
    offset = wrote_message.value
    let closed: Maybe<usize> = __zero_std_log_write(buffer, offset, "}\n")
    if closed.has {
        return buffer[..closed.value]
    }
    return null
}

fn __zero_std_log_key_value(buffer: MutSpan<u8>, level: Span<u8>, key: Span<u8>, value: Span<u8>) -> Maybe<Span<u8>> {
    var offset: usize = 0
    let opened: Maybe<usize> = __zero_std_log_write(buffer, offset, "{\"level\":")
    if !opened.has {
        return null
    }
    offset = opened.value
    let wrote_level: Maybe<usize> = __zero_std_log_write_json(buffer, offset, level)
    if !wrote_level.has {
        return null
    }
    offset = wrote_level.value
    let wrote_key_name: Maybe<usize> = __zero_std_log_write(buffer, offset, ",\"key\":")
    if !wrote_key_name.has {
        return null
    }
    offset = wrote_key_name.value
    let wrote_key: Maybe<usize> = __zero_std_log_write_json(buffer, offset, key)
    if !wrote_key.has {
        return null
    }
    offset = wrote_key.value
    let wrote_value_name: Maybe<usize> = __zero_std_log_write(buffer, offset, ",\"value\":")
    if !wrote_value_name.has {
        return null
    }
    offset = wrote_value_name.value
    let wrote_value: Maybe<usize> = __zero_std_log_write_json(buffer, offset, value)
    if !wrote_value.has {
        return null
    }
    offset = wrote_value.value
    let closed: Maybe<usize> = __zero_std_log_write(buffer, offset, "}\n")
    if closed.has {
        return buffer[..closed.value]
    }
    return null
}

fn __zero_std_log_level_debug() -> String {
    return "debug"
}

fn __zero_std_log_level_info() -> String {
    return "info"
}

fn __zero_std_log_level_warn() -> String {
    return "warn"
}

fn __zero_std_log_level_error() -> String {
    return "error"
}

fn __zero_std_log_write_string_field(buffer: MutSpan<u8>, offset: usize, key: Span<u8>, value: Span<u8>) -> Maybe<usize> {
    let wrote_key: Maybe<usize> = __zero_std_log_write_json(buffer, offset, key)
    if !wrote_key.has {
        return null
    }
    var cursor: usize = wrote_key.value
    let colon: Maybe<usize> = __zero_std_log_write(buffer, cursor, ":")
    if !colon.has {
        return null
    }
    cursor = colon.value
    return __zero_std_log_write_json(buffer, cursor, value)
}

fn __zero_std_log_string_field(buffer: MutSpan<u8>, key: Span<u8>, value: Span<u8>) -> Maybe<Span<u8>> {
    let written: Maybe<usize> = __zero_std_log_write_string_field(buffer, 0, key, value)
    if written.has {
        return buffer[..written.value]
    }
    return null
}

fn __zero_std_log_message_field(buffer: MutSpan<u8>, level: Span<u8>, message: Span<u8>, field: Span<u8>) -> Maybe<Span<u8>> {
    var offset: usize = 0
    let opened: Maybe<usize> = __zero_std_log_write(buffer, offset, "{\"level\":")
    if !opened.has {
        return null
    }
    offset = opened.value
    let wrote_level: Maybe<usize> = __zero_std_log_write_json(buffer, offset, level)
    if !wrote_level.has {
        return null
    }
    offset = wrote_level.value
    let wrote_message_key: Maybe<usize> = __zero_std_log_write(buffer, offset, ",\"message\":")
    if !wrote_message_key.has {
        return null
    }
    offset = wrote_message_key.value
    let wrote_message: Maybe<usize> = __zero_std_log_write_json(buffer, offset, message)
    if !wrote_message.has {
        return null
    }
    offset = wrote_message.value
    let comma: Maybe<usize> = __zero_std_log_write(buffer, offset, ",")
    if !comma.has {
        return null
    }
    offset = comma.value
    let wrote_field: Maybe<usize> = __zero_std_log_write(buffer, offset, field)
    if !wrote_field.has {
        return null
    }
    offset = wrote_field.value
    let closed: Maybe<usize> = __zero_std_log_write(buffer, offset, "}\n")
    if closed.has {
        if !std.json.validateBytes(buffer[..closed.value - 1]) {
            return null
        }
        return buffer[..closed.value]
    }
    return null
}

fn __zero_std_log_redacted(buffer: MutSpan<u8>, level: Span<u8>, key: Span<u8>) -> Maybe<Span<u8>> {
    var offset: usize = 0
    let opened: Maybe<usize> = __zero_std_log_write(buffer, offset, "{\"level\":")
    if !opened.has {
        return null
    }
    offset = opened.value
    let wrote_level: Maybe<usize> = __zero_std_log_write_json(buffer, offset, level)
    if !wrote_level.has {
        return null
    }
    offset = wrote_level.value
    let key_label: Maybe<usize> = __zero_std_log_write(buffer, offset, ",\"key\":")
    if !key_label.has {
        return null
    }
    offset = key_label.value
    let wrote_key: Maybe<usize> = __zero_std_log_write_json(buffer, offset, key)
    if !wrote_key.has {
        return null
    }
    offset = wrote_key.value
    let closed: Maybe<usize> = __zero_std_log_write(buffer, offset, ",\"redacted\":true}\n")
    if closed.has {
        return buffer[..closed.value]
    }
    return null
}