import { type ElementNode } from '../schema/index.js';
export interface ArmedState {
    arm(mark: ElementNode): void;
    escape(w: string): void;
    clear(): void;
    takeForInsert(base: readonly ElementNode[]): readonly ElementNode[];
    isArmed(w: string): boolean;
    isEmpty(): boolean;
    peek(): {
        readonly plus: readonly ElementNode[];
        readonly minus: readonly string[];
    };
}
export declare function makeArmed(onChange?: () => void): ArmedState;
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