import { Node as PMNode } from 'prosemirror-model';
import { AttributesDiff, MarksDiff } from './attributes-diffing';
type NodeJSON = ReturnType<PMNode['toJSON']>;
type MarkJSON = {
    type: string;
    attrs?: Record<string, unknown>;
};
/**
 * Supported diff operations for inline changes.
 */
type InlineAction = 'added' | 'deleted' | 'modified';
/**
 * Serialized representation of a single text character plus its run attributes.
 */
export type InlineTextToken = {
    kind: 'text';
    char: string;
    runAttrs: Record<string, unknown>;
    marks: MarkJSON[];
    offset?: number | null;
};
/**
 * Flattened inline node token treated as a single diff unit.
 */
export type InlineNodeToken = {
    kind: 'inlineNode';
    node: PMNode;
    nodeType?: string;
    toJSON?: () => unknown;
    nodeJSON?: NodeJSON;
    pos?: number | null;
};
/**
 * Union of inline token kinds used as input for Myers diffing.
 */
export type InlineDiffToken = InlineTextToken | InlineNodeToken;
/**
 * Final grouped inline diff exposed to downstream consumers.
 */
export interface InlineDiffResult {
    /** Change type for this inline segment. */
    action: InlineAction;
    /** Token kind associated with the diff. */
    kind: 'text' | 'inlineNode';
    /** Start position in the old document (or null when unknown). */
    startPos: number | null;
    /** End position in the old document (or null when unknown). */
    endPos: number | null;
    /** Inserted text for additions. */
    text?: string;
    /** Removed text for deletions/modifications. */
    oldText?: string;
    /** Inserted text for modifications. */
    newText?: string;
    /** Run attributes for added/deleted text. */
    runAttrs?: Record<string, unknown>;
    /** Attribute diff for modified runs. */
    runAttrsDiff?: AttributesDiff | null;
    /** Marks applied to added/deleted text. */
    marks?: MarkJSON[];
    /** Mark diff for modified text. */
    marksDiff?: MarksDiff | null;
    /** Inline node type name for node diffs. */
    nodeType?: string;
    /** Serialized inline node payload for additions/deletions. */
    nodeJSON?: NodeJSON;
    /** Serialized inline node payload before the change. */
    oldNodeJSON?: NodeJSON;
    /** Serialized inline node payload after the change. */
    newNodeJSON?: NodeJSON;
    /** Attribute diff for modified inline nodes. */
    attrsDiff?: AttributesDiff | null;
}
/**
 * Tokenizes inline content into diffable text and inline-node tokens.
 *
 * @param pmNode ProseMirror node containing inline content.
 * @param baseOffset Offset applied to every token position (default: 0).
 * @returns Flattened inline tokens with offsets relative to the base offset.
 */
export declare function tokenizeInlineContent(pmNode: PMNode, baseOffset?: number): InlineDiffToken[];
/**
 * Computes text-level additions and deletions between two sequences using the generic sequence diff, mapping back to document positions.
 *
 * @param oldContent Source tokens enriched with document offsets.
 * @param newContent Target tokens.
 * @param oldParagraphEndPos Absolute document position at the end of the old paragraph (used for trailing inserts).
 * @returns List of grouped inline diffs with document positions and text content.
 */
export declare function getInlineDiff(oldContent: InlineDiffToken[], newContent: InlineDiffToken[], oldParagraphEndPos: number): InlineDiffResult[];
export {};
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