Interface SnappingMap

interface SnappingMap {
    addLayer?(layer: Record<string, unknown>, beforeId?: string): void;
    addSource?(id: string, source: Record<string, unknown>): void;
    getLayer?(id: string): unknown;
    getSource?(id: string): unknown;
    off(event: string, handler: (...args: unknown[]) => void): void;
    on(event: string, handler: (...args: unknown[]) => void): void;
    project(
        position: readonly [number, number],
    ): SnapScreenPoint | { x: number; y: number };
    removeLayer?(id: string): void;
    removeSource?(id: string): void;
}