export type p4a = {         // Chunk: p4a (from: unpack_fromstring())
    rnumber: number;
    roleString: string;
    className: string;
    name?: string;
};

export type p4 = p4a;       // Chunk: p4

export type sid = {         // Chunk: sid
    version: string;
    generatedId: string;
    formName: string;
    formAttrs?: string;
    outerHtml?: string;
};

export type did2 = {        // Chunk: did2
    s1: string;
    s2: string;
    s3: string;
    s4?: string;
};

export type loc = {         // Chunk: loc (size is in client area or against 1920x1200 or 1600x1200?)
    x: number;
    y: number;
    w: number;
    h: number;
    f?: number;             // 0 | 1 if the last element in field (this is internal and not saved).
    i?: number;             // index of rect before dedupe (this is internal and not saved).
};

export type sn = {          // Chunk: sn. Format: ['[sn]'<script line>]*
    total: number;          // total blocks
    current: number;        // current block
    parts: string[];        // Block parts
};