/**
 * Reading one node of a flow from its YAML mapping, and the sequences nested
 * in it.
 *
 * A node that is refused is read no further and left out of its sequence,
 * and its id is remembered so nothing that refers to it is reported again:
 * one mistake is one fault. The faults of a node come back in the order its
 * keys are written, whatever order they were checked in.
 */
import { type FlowNode, type KindReader, type NodeKind, type ReadContext } from "./node.ts";
/**
 * A sequence of nodes under `key`, inside the node at `path` (`""` at the
 * root), read by the readers of `kinds`.
 */
export declare function readSequence(value: unknown, key: string, path: string, context: ReadContext, kinds: Readonly<Record<NodeKind, KindReader>>): FlowNode[];
/** Where `word` stands in `words`, the end when it is not there. */
export declare function rankOf(words: readonly (string | undefined)[], word: string): number;
/** Whether a YAML value is a mapping. */
export declare function isRecord(value: unknown): value is Record<string, unknown>;
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