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import type { Schema } from '../schema/Schema.js';
import { NodeBase, NODE_TYPE } from './Node.js';
export declare function collectionFromPath(schema: Schema, path: unknown[], value: unknown): import("./Node.js").Node;
export declare const isEmptyPath: (path: Iterable<unknown> | null | undefined) => boolean;
export declare abstract class Collection extends NodeBase {
static maxFlowStringSingleLineLength: number;
schema: Schema | undefined;
[NODE_TYPE]: symbol;
items: unknown[];
/** An optional anchor on this node. Used by alias nodes. */
anchor?: string;
/**
* If true, stringify this and all child nodes using flow rather than
* block styles.
*/
flow?: boolean;
constructor(type: symbol, schema?: Schema);
/**
* Create a copy of this collection.
*
* @param schema - If defined, overwrites the original's schema
*/
clone(schema?: Schema): Collection;
/** Adds a value to the collection. */
abstract add(value: unknown): void;
/**
* Removes a value from the collection.
* @returns `true` if the item was found and removed.
*/
abstract delete(key: unknown): boolean;
/**
* Returns item at `key`, or `undefined` if not found. By default unwraps
* scalar values from their surrounding node; to disable set `keepScalar` to
* `true` (collections are always returned intact).
*/
abstract get(key: unknown, keepScalar?: boolean): unknown;
/**
* Checks if the collection includes a value with the key `key`.
*/
abstract has(key: unknown): boolean;
/**
* Sets a value in this collection. For `!!set`, `value` needs to be a
* boolean to add/remove the item from the set.
*/
abstract set(key: unknown, value: unknown): void;
/**
* Adds a value to the collection. For `!!map` and `!!omap` the value must
* be a Pair instance or a `{ key, value }` object, which may not have a key
* that already exists in the map.
*/
addIn(path: Iterable<unknown>, value: unknown): void;
/**
* Removes a value from the collection.
* @returns `true` if the item was found and removed.
*/
deleteIn(path: Iterable<unknown>): boolean;
/**
* Returns item at `key`, or `undefined` if not found. By default unwraps
* scalar values from their surrounding node; to disable set `keepScalar` to
* `true` (collections are always returned intact).
*/
getIn(path: Iterable<unknown>, keepScalar?: boolean): unknown;
hasAllNullValues(allowScalar?: boolean): boolean;
/**
* Checks if the collection includes a value with the key `key`.
*/
hasIn(path: Iterable<unknown>): boolean;
/**
* Sets a value in this collection. For `!!set`, `value` needs to be a
* boolean to add/remove the item from the set.
*/
setIn(path: Iterable<unknown>, value: unknown): void;
}
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