export declare function is_arc_2d_intersecting_with_arc_2d(arc_a_center_x: number, arc_a_center_y: number, arc_a_radius: number, arc_a_start_angle: number, // [0, PHI[
arc_a_end_angle: number, // [0, PHI[
arc_b_center_x: number, arc_b_center_y: number, arc_b_radius: number, arc_b_start_angle: number, // [0, PHI[
arc_b_end_angle: number): boolean;