/**
 * Reads canonical spec content from planu/specs.
 * Tries to find the spec directory by matching specId prefix.
 */
export declare function loadSpecContent(specId: string, projectPath?: string): Promise<{
    content: string;
    specDir: string;
}>;
/** Counts acceptance criteria (lines starting with "- [ ]" or "- [x]") in spec content. */
export declare function countAcceptanceCriteria(specContent: string): number;
/** Reads average tokens per call from usage.json if available. */
export declare function readUsageAvgTokensPerCall(): Promise<number | undefined>;
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