lib/Elastica/Query/Wildcard.php
public function setValue(string $key, string $value, float $boost = 1.0): self
    {
        return $this->setParam($key, ['value' => $value, 'boost' => $boost]);
    }
public function setValue(string $key, string $value, float $boost = 1.0): self
    {
        return $this->setParam($key, ['value' => $value, 'boost' => $boost]);
    }
public function setValue ( string $ key , string $ value , float $ boost = 1.0 ) : self { return $ this -> setParam ( $ key , [ 'value' => $ value , 'boost' => $ boost ] ) ; }
Sets the query expression for a key with its boost value.

@param string $key
@param string $value
@param float  $boost

@return $this
Sets the query expression for a key with its boost value .