MysqlQueryCompiler
class MysqlQueryCompiler extends DefaultQueryCompiler {}
protected getCurrentParameterPlaceholder(): string;
protected getExplainOptionAssignment(): string;
protected getExplainOptionsDelimiter(): string;
protected getLeftExplainOptionsWrapper(): string;
protected getLeftIdentifierWrapper(): string;
protected getRightExplainOptionsWrapper(): string;
protected getRightIdentifierWrapper(): string;
protected sanitizeIdentifier(identifier: string): string;