def _set_key_clear_text(self, v, load=False):
    """
    Setter method for key_clear_text, mapped from YANG variable /macsec/mka/key_chains/key_chain/mka_keys/mka_key/config/key_clear_text (string)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_key_clear_text is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_key_clear_text() directly.

    YANG Description: The key, used for signing and encrypting. Supplied as a clear text