/**
 * InputBindings.ts
 *
 * Rebindable input action system: composite axes, chord combos,
 * binding profiles, and conflict detection.
 *
 * @module input
 */
export type BindingSource = 'key' | 'mouseButton' | 'gamepadButton' | 'gamepadAxis';
export interface InputBinding {
    id: string;
    action: string;
    source: BindingSource;
    code: string;
    modifiers?: string[];
    scale?: number;
}
export interface CompositeAxis {
    name: string;
    positive: string;
    negative: string;
}
export interface ChordBinding {
    id: string;
    action: string;
    keys: string[];
    order: 'any' | 'sequence';
}
export interface BindingProfile {
    id: string;
    name: string;
    bindings: InputBinding[];
    composites: CompositeAxis[];
    chords: ChordBinding[];
}
export interface BindingConflict {
    action1: string;
    action2: string;
    binding: string;
    severity: 'warning' | 'error';
}
export declare class InputBindings {
    private profiles;
    private activeProfileId;
    constructor();
    createProfile(id: string, name: string): BindingProfile;
    deleteProfile(id: string): boolean;
    setActiveProfile(id: string): boolean;
    getActiveProfile(): BindingProfile | null;
    getProfile(id: string): BindingProfile | undefined;
    getProfileCount(): number;
    bind(action: string, source: BindingSource, code: string, modifiers?: string[], scale?: number): InputBinding | null;
    unbind(bindingId: string): boolean;
    unbindAction(action: string): number;
    getBindingsForAction(action: string): InputBinding[];
    addCompositeAxis(name: string, positive: string, negative: string): void;
    getCompositeAxes(): CompositeAxis[];
    /**
     * Resolve a composite axis value from key states.
     */
    resolveComposite(name: string, keyStates: Map<string, boolean>): number;
    addChord(action: string, keys: string[], order?: 'any' | 'sequence'): ChordBinding;
    isChordActive(chordId: string, pressedKeys: Set<string>): boolean;
    detectConflicts(): BindingConflict[];
    exportProfile(profileId?: string): string;
    importProfile(json: string): BindingProfile | null;
}
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