import type { PrototypeDragAddress, PrototypeDragConfiguration, PrototypeDragPoint } from './prototypeMotionContracts.js';
export interface PrototypeDragSampleInput {
    pointerId: number;
    point: PrototypeDragPoint;
    /** Injected logical time in milliseconds. */
    now: number;
}
export interface PrototypeDragStartInput extends PrototypeDragSampleInput, PrototypeDragAddress {
}
export interface PrototypeDragFinishInput extends PrototypeDragSampleInput {
    cancel?: boolean;
}
export interface PrototypeDragSession {
    readonly config: Readonly<PrototypeDragConfiguration>;
    readonly address: {
        readonly path: readonly string[];
        readonly occurrence?: {
            readonly sceneId: string;
            readonly rowPath: readonly Readonly<{
                repeatId: string;
                key: string | number;
            }>[];
        };
    };
    readonly pointerId: number;
    readonly origin: Readonly<PrototypeDragPoint>;
    readonly lastPoint: Readonly<PrototypeDragPoint>;
    readonly startedAt: number;
    readonly updatedAt: number;
    readonly progress: number;
    /** Velocity of the clamped progress in progress units per second. */
    readonly velocity: number;
    readonly phase: 'active' | 'ended';
    readonly outcome: 'commit' | 'cancel' | null;
}
export declare function isPrototypeDragConfiguration(value: unknown): value is PrototypeDragConfiguration;
/** Capture one gesture without resolving scenes, dispatching actions, or reading a clock. */
export declare function startPrototypeDrag(config: PrototypeDragConfiguration, input: PrototypeDragStartInput): PrototypeDragSession;
/** Other pointers and samples after release are inert. Invalid owned samples leave the session unchanged. */
export declare function updatePrototypeDrag(session: PrototypeDragSession, input: PrototypeDragSampleInput): PrototypeDragSession;
/** End once. Only position determines commit. An unchanged release axis retains its last
 * velocity for at most 80ms; a longer pause rests. Cancellation never commits. */
export declare function finishPrototypeDrag(session: PrototypeDragSession, input: PrototypeDragFinishInput): PrototypeDragSession;