export declare abstract class Change {
    abstract readonly type: string;
}
export declare enum EdgeBehaviour {
    preserve = 0,
    modify = 1
}
export declare enum AdjacentBoundaryBehaviour {
    default = 0,
    modify = 1,
    preserveLeading = 2,
    preserve = 3,
    preserveBoth = 4,
    preserveTrailing = 5
}
export declare class Deletion extends Change {
    readonly start: number;
    readonly end: number;
    readonly behaviourLeading: EdgeBehaviour;
    readonly behaviourTrailing: EdgeBehaviour;
    readonly type = "deletion";
    constructor(start: number, end: number, behaviourLeading?: EdgeBehaviour, behaviourTrailing?: EdgeBehaviour);
}
export declare class Insertion extends Change {
    readonly start: number;
    readonly text: string;
    readonly behaviourLeading: EdgeBehaviour;
    readonly behaviourTrailing: EdgeBehaviour;
    readonly type = "insertion";
    constructor(start: number, text: string, behaviourLeading?: EdgeBehaviour, behaviourTrailing?: EdgeBehaviour);
}
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