lib/Elastica/Query/Match.php
public function setFieldBoost(string $field, float $boost = 1.0): self
    {
        return $this->setFieldParam($field, 'boost', $boost);
    }
public function setFieldBoost(string $field, float $boost = 1.0): self
    {
        return $this->setFieldParam($field, 'boost', $boost);
    }
public function setFieldBoost ( string $ field , float $ boost = 1.0 ) : self { return $ this -> setFieldParam ( $ field , 'boost' , $ boost ) ; }
Set field boost value.

If not set, defaults to 1.0.

@param string $field
@param float  $boost

@return $this
Set field boost value .