Firestore/src/V1beta1/Value.php
public function setMapValue($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Firestore\V1beta1\MapValue::class);
        $this->writeOneof(6, $var);

        return $this;
    }
public function setMapValue($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Firestore\V1beta1\MapValue::class);
        $this->writeOneof(6, $var);

        return $this;
    }
public function setMapValue ( $ var ) { GPBUtil :: checkMessage ( $ var , \ Google \ Cloud \ Firestore \ V1beta1 \ MapValue :: class ) ; $ this -> writeOneof ( 6 , $ var ) ; return $ this ; }
A map value.

Generated from protobuf field <code>.google.firestore.v1beta1.MapValue map_value = 6;</code>
@param \Google\Cloud\Firestore\V1beta1\MapValue $var
@return $this
A map value .