string compilePrimary(Blueprint $blueprint,

string compileForeign(Blueprint $blueprint,

string getValue(Expression $expression)

string compileAdd(Blueprint $blueprint,

string parameter(mixed $value) Get the appropriate query parameter place-holder

string compileForeign(Blueprint $blueprint,

string compileRename(Blueprint $blueprint,

string compileDropIfExists(Blueprint $blueprint,

string columnize(array $columns) Convert an array of column names into

string compileDrop(Blueprint $blueprint,