import type { ConnectorDef, NodeDef, NoteDef, RegionDef, ArrowEnd, FrameSpec } from '../types.js';
import type { GgError } from './errors.js';
export interface ArrowSpec {
    ends: ArrowEnd;
    dashed: boolean;
}
export type Token = {
    type: 'word';
    value: string;
    line: number;
} | {
    type: 'id-sigil';
    value: string;
    line: number;
} | {
    type: 'pos';
    col: number;
    row: number;
    line: number;
} | {
    type: 'span';
    from: {
        col: number;
        row: number;
    };
    to: {
        col: number;
        row: number;
    };
    line: number;
} | {
    type: 'label';
    value: string;
    line: number;
} | {
    type: 'target-list';
    ids: string[];
    line: number;
} | {
    type: 'frame-spec';
    spec: FrameSpec;
    line: number;
} | {
    type: 'attr';
    key: string;
    value: string;
    line: number;
} | {
    type: 'arrow';
    spec: ArrowSpec;
    line: number;
} | {
    type: 'body';
    value: Record<string, unknown>;
    line: number;
} | {
    type: 'stmt-end';
    line: number;
};
export declare function tokenize(src: string): {
    tokens: Token[];
    errors: GgError[];
};
export interface ParseLineResult {
    node?: NodeDef;
    region?: RegionDef;
    connector?: ConnectorDef;
    note?: NoteDef;
    /** doc-stmt body merges into the diagram-level settings. */
    doc?: Record<string, unknown>;
    /** When the doc statement carried a `[frame-spec]`, this is the
     *  parsed spec — the parser collects such blocks into
     *  `DiagramDef.frameOverrides` instead of folding them into the
     *  base settings. */
    docFrames?: FrameSpec;
    error?: GgError;
}
export interface ParsedStatements {
    statements: ParseLineResult[];
    errors: GgError[];
}
export declare function parseStatements(tokens: Token[]): ParsedStatements;
declare function applyNodeAttr(node: NodeDef, key: string, value: string, line: number): GgError | null;
export declare function parseLine(text: string, _raw: string, line: number): ParseLineResult;
export { applyNodeAttr as _applyNodeAttr };
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