export type Range = [number, number, number];
export interface Dictionary<T> extends Iterable<[string, T]> {
    clear(): void;
    delete(key: string): boolean;
    get(key: string): T | undefined;
    has(key: string): boolean;
    add(key: string): T;
    sourcePosition(key: string): Range | undefined;
    readonly length: number;
    readonly keys: Array<string>;
}
export interface Sequence<T> extends Iterable<T> {
    [Symbol.iterator](): Iterator<T>;
    readonly length: number;
    clear(): void;
}
export interface Strings extends Sequence<string> {
    get(index: number): string | undefined;
    delete(val: string | Array<string>): void;
}
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