import type { CapabilityDescription } from "@skenora/contracts";
/** Instance-owned input. Hosts own UI and advance one snapshot per input phase. */
export type InputActionValue = boolean | number | {
    x: number;
    y: number;
};
export interface InputActionDefinition {
    name: string;
    kind: "boolean" | "axis1" | "axis2";
    /** Each axis component is clamped to this interval; it must include zero. */
    range?: readonly [number, number];
    merge?: "sum" | "latest";
    deadzone?: number;
    unit?: string;
}
export interface InputActionState {
    name: string;
    value: InputActionValue;
    pressed: boolean;
    held: boolean;
    released: boolean;
    frame: number;
}
export declare class InputActionError extends Error {
    readonly code: "input-invalid" | "input-budget" | "input-action-unknown" | "input-consumed";
    constructor(code: "input-invalid" | "input-budget" | "input-action-unknown" | "input-consumed", message: string);
}
export declare class InputActionMap {
    #private;
    readonly maxSources: number;
    constructor(definitions: readonly InputActionDefinition[], maxSources?: number);
    get focused(): boolean;
    setFocused(focused: boolean): void;
    describe(): Readonly<InputActionDefinition>[];
    setSource(sourceId: string, action: string, value: InputActionValue): void;
    releaseSource(sourceId: string): void;
    releaseAll(): void;
    capture(ownerId: string, actions: readonly string[], priority?: number): () => void;
    consume(action: string, ownerId: string): boolean;
    getAction(action: string, ownerId?: string): InputActionState | null;
    getSnapshot(): readonly InputActionState[];
    subscribe(listener: (states: readonly InputActionState[]) => void): () => void;
    update(): readonly InputActionState[];
    dispose(): void;
}
export declare function isInputActionValue(kind: InputActionDefinition["kind"], value: unknown): value is InputActionValue;
declare module "../core/runtime-capability-registry" {
    interface RuntimeCapabilityMap {
        "runtime.input": InputActionMap;
    }
}
export declare function describeInputCapability(actions?: readonly InputActionDefinition[]): CapabilityDescription;
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