def interpret_defintion_annotations(potential_definition_inds, aux_note):
    """
    Try to extract annotation definition information from annotation notes.
    Information that may be contained:
    - fs - sample=0, label_state=22, aux_note='## time resolution: XXX'
    - custom annotation label definitions
    """

    fs = None
    custom_labels = []

    if len(potential_definition_inds) > 0:
        i = 0
        while i<len(potential_definition_inds):
            if aux_note[i].startswith('## '):
                if not fs:
                    search_fs = rx_fs.findall(aux_note[i])
                    if search_fs:
                        fs = float(search_fs[0])
                        if round(fs, 8) == float(int(fs)):
                            fs = int(fs)
                        i += 1
                        continue
                if aux_note[i] == '## annotation type definitions':
                    i += 1
                    while aux_note[i] != '## end of definitions':
                        label_store, symbol, description = rx_custom_label.findall(aux_note[i])[0]
                        custom_labels.append((int(label_store), symbol, description))
                        i += 1
                    i += 1
            else:
                i += 1

    if not custom_labels:
        custom_labels = None

    return fs, custom_labels
Try to extract annotation definition information from annotation notes.
    Information that may be contained:
    - fs - sample=0, label_state=22, aux_note='## time resolution: XXX'
    - custom annotation label definitions