/** Provider-bound tool prose budgets. Structural schemas remain separate and exact. */
export declare const MAX_PROVIDER_TOOL_SNIPPET_CHARS = 120;
export declare const MAX_PROVIDER_TOOL_GUIDELINE_CHARS = 140;
export declare const MAX_PROVIDER_TOOL_GUIDELINES_CHARS = 1200;
export declare function normalizeProviderPromptSnippet(text: string | undefined): string | undefined;
/**
 * Bounds a guideline list to MAX_PROVIDER_TOOL_GUIDELINES_CHARS, preserving caller order (callers
 * that must survive budget pressure — e.g. a MANDATORY directive — should list those first).
 *
 * Guidelines that do not fit the remaining budget are dropped WHOLE, never truncated mid-word: a
 * half-sentence directive silently missing its second half is worse than the directive being absent.
 * Truncation only ever applies to the pathological case of a single guideline that alone exceeds the
 * *entire* budget — dropping it would erase it forever, so it is truncated to what's left instead
 * (and never down to a bare ellipsis with no real content).
 *
 * `onBounded`, when provided, receives one diagnostic message per dropped or truncated guideline —
 * this bounding is silent otherwise, which is itself a defect this parameter exists to let a caller
 * close (see delegate.ts, the only current caller that wires it to a warning channel).
 */
export declare function normalizeProviderPromptGuidelines(guidelines: string[] | undefined, onBounded?: (message: string) => void): string[];
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