/** ScorpionAPI contract 1.0.0. Private preview; unavailable to community scripts. */
export type Availability = 'verified' | 'stale' | 'unavailable';
export type RuntimePhase = 'initializing' | 'ready' | 'degraded' | 'unsupported' | 'recovering' | 'stopped';
export type GameState = 'unknown' | 'menu' | 'live' | 'dead' | 'disconnected';
export type Entitlement = 'api.access' | 'api.advanced' | 'developer.tools';
export type ApiEvent = 'state' | 'spawn' | 'death' | 'despawn' | 'connection';
export type NativeKey = 0 | 16 | 32 | 37 | 38 | 39 | 40;
export type ApiErrorCode = 'access-denied' | 'disposed' | 'unavailable' | 'invalid-argument' | 'owner-conflict';
export type EntityKey = `${number}:${number}:${number}`;
export interface Point { readonly x: number; readonly y: number }
export interface Observation<T> {
    readonly availability: Availability;
    /** Milliseconds on this game document's performance clock. */
    readonly observedAt: number | null;
    readonly ageMs: number | null;
    readonly source: 'client-observed';
    readonly value: T | null;
}
export interface Barrel {
    readonly id: string; readonly durationMs: number; readonly remainingMs: number;
    readonly progress: number; readonly ready: boolean; readonly reportedAt: number; readonly angle: number | null;
}
export interface Geometry {
    readonly radius: number; readonly height: number; readonly sides: number; readonly barWidth: number;
    readonly healthBarY: number; readonly nameY: number; readonly barTrack: string;
}
export interface Entity {
    readonly key: EntityKey; readonly generation: number;
    readonly kind: 'entity' | 'player' | 'attachment' | 'object' | 'projectile';
    readonly x: number | null; readonly y: number | null; readonly renderX: number | null; readonly renderY: number | null;
    readonly angle: number | null; readonly positionSpace: 'world' | 'parent-local';
    readonly positionSource: 'native-current-sample'; readonly positionUpdatedAt: number | null;
    readonly hp: number | null; readonly maxHp: number | null; readonly hpPercent: number | null;
    readonly name: string | null; readonly classId: number | null;
    readonly relation: 'self' | 'ally' | 'enemy' | 'neutral' | null;
    readonly ownerKey: EntityKey | null; readonly nativeScoreboardId: number | null;
    readonly geometry: Geometry | null; readonly barrels: readonly Barrel[];
}
export interface Player extends Entity {
    readonly classSource: 'native-client-class';
    readonly nativeCursor: Readonly<{ screenX: number; screenY: number; source: 'wasm' }>;
    readonly nativeScope: Readonly<Point & { flags: number; source: 'native-camera-target' }> | null;
    readonly velocity: null;
}
export interface Camera extends Point { readonly scale: number }
export interface GameObservation {
    readonly phase: RuntimePhase; readonly state: GameState; readonly observedAt: number | null;
    /** Absence can infer menu/dead state; only native-health establishes the SDK's observed death event. */
    readonly stateSource: 'connection' | 'native-health' | 'native-local-player' | 'local-player-absence' | 'unavailable';
    readonly clock: 'document-performance'; readonly timeOrigin: number | null;
    readonly availability: Readonly<Record<'player' | 'entities' | 'camera', Availability>>;
}
export interface NetworkState {
    readonly state: 'unobserved' | 'connecting' | 'open' | 'closed'; readonly connections: number; readonly protocol: 'opaque';
    readonly received: number; readonly sent: number; readonly receivedBytes: number; readonly sentBytes: number;
}
export interface ApiSnapshot {
    readonly schema: 1; readonly apiVersion: '1.0.0'; readonly game: GameObservation;
    readonly player: Observation<Player>; readonly entities: Observation<readonly Entity[]>; readonly camera: Observation<Camera>;
    readonly network: NetworkState;
    readonly provenance: Readonly<{ position: 'native-current-sample'; renderPosition: 'client-interpolation';
        health: 'native-client-component'; healthPercent: 'derived'; relation: 'native-team-derived';
        reload: 'native-recoil-derived'; velocity: 'unavailable' }>;
}
export interface Capability {
    readonly id: string; readonly method: string; readonly entitlement: Entitlement;
    readonly description: string; readonly authorized: boolean;
}
export interface ObservedFrame {
    readonly connection: number; readonly direction: 'in' | 'out'; readonly type: 'text' | 'binary' | 'blob' | 'unsupported';
    readonly byteLength: number; readonly at: number; readonly protocol: 'opaque';
    /** A new copy for supported binary frames <= 1 MiB; unavailable otherwise. Checks current authorization. */
    bytes(): Uint8Array | null;
}
export interface WasmInfo {
    readonly profile: string | null; readonly fingerprint: string | null; readonly status: 'loading' | 'compatible' | 'partial' | 'incompatible';
    readonly bound: boolean; readonly memoryBytes: number; readonly rawAccess: false;
}
export interface ScorpionAPI {
    readonly version: '1.0.0';
    capabilities(): readonly Capability[];
    readonly game: { getState(): GameObservation; getSnapshot(): ApiSnapshot };
    readonly player: { getState(): Observation<Player> };
    readonly entities: { getState(): Observation<readonly Entity[]> };
    readonly camera: { getState(): Observation<Camera> };
    readonly input: {
        /** Canvas backing-pixel aim coordinates; 250 ms lease; physical holds and other owners preserved. */
        lease(state: { keys: readonly NativeKey[]; aim?: Point | null }): void;
        release(): void;
    };
    readonly net: { getState(): NetworkState; onFrame(listener: (frame: ObservedFrame) => void): () => void };
    readonly render: {
        /** Synchronous callback. Canvas state is restored; no asynchronous rendering callbacks. */
        onFrame(listener: (context: CanvasRenderingContext2D, snapshot: ApiSnapshot, at: number) => void): () => void;
    };
    readonly events: { on(event: ApiEvent, listener: (snapshot: ApiSnapshot) => void): () => void };
    readonly wasm: { getInfo(): WasmInfo };
    readonly debug: { getDiagnostics(): Readonly<Record<string, unknown>> };
    /** Idempotent; releases only this session's input, subscriptions and render callbacks. */
    dispose(): void;
}
export class ScorpionApiError extends Error { readonly code: ApiErrorCode }