/** Share of the context window that skill bodies may occupy. */
export declare const SKILL_BUDGET_RATIO = 0.8;
/**
 * Reduce `## Process` to its headings and the first line of each step.
 *
 * Everything outside `## Process` is kept verbatim: Overview, When to Use,
 * Red Flags, Rationalizations and Verification are what tell the model whether
 * the member applies and when to stop. `## Process` holds 60-84% of these
 * members' lines and is the part the model can re-read from disk.
 *
 * Inside Process the step skeleton survives — subsection headings, numbered and
 * bulleted steps, bold labels — and the prose wrapped around them does not.
 */
export declare function compressSkillBody(body: string): string;
/**
 * Second degradation step: drop `## Process` outright.
 *
 * Slicing a compressed body to a byte budget cuts the tail, and the tail is
 * where Red Flags, Rationalizations and Verification live. Dropping Process
 * whole is what keeps the invariant that everything outside it survives.
 */
export declare function stripProcess(body: string): string;
/**
 * Running token budget across the skill bodies injected into one run.
 *
 * A body already in the transcript cannot be shrunk afterwards, so the decision
 * has to happen at injection time: given what is already loaded, decide how much
 * of this body fits.
 *
 * ponytail: the total is per tool instance (per process), not per conversation.
 * Several agents sharing one process will under-use the window. Key it on a
 * conversation id if that ever matters.
 */
export declare class SkillBudget {
    private readonly contextWindow;
    private readonly ratio;
    private used;
    constructor(contextWindow?: number, ratio?: number);
    get limit(): number;
    get consumed(): number;
    /** Squeeze `body` until it fits what is left of the budget. */
    fit(body: string): {
        body: string;
        compressed: boolean;
        savedTokens: number;
    };
    private clamp;
}
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