/**
 * Shared Action Registry - Declarative approach
 * Eliminates code duplication across examples
 */
export type ActionHandler = (...args: any[]) => any;
export interface ActionDefinition {
    name: string;
    handler: ActionHandler;
    description?: string;
}
export declare class ActionRegistry {
    protected handlers: Map<string, ActionHandler>;
    register(def: ActionDefinition): void;
    execute(name: string, ...args: any[]): any;
    list(): string[];
    has(name: string): boolean;
    clear(): void;
}
export declare const createActionRegistry: () => ActionRegistry;
export declare const defineActions: (category: string, actions: ActionDefinition[]) => {
    category: string;
    actions: ActionDefinition[];
    register: (registry: ActionRegistry) => void;
};
export declare const mathActions: {
    category: string;
    actions: ActionDefinition[];
    register: (registry: ActionRegistry) => void;
};
export declare const textActions: {
    category: string;
    actions: ActionDefinition[];
    register: (registry: ActionRegistry) => void;
};
export declare const utilityActions: {
    category: string;
    actions: ActionDefinition[];
    register: (registry: ActionRegistry) => void;
};
export declare const validationActions: {
    category: string;
    actions: ActionDefinition[];
    register: (registry: ActionRegistry) => void;
};
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