/**
 * LlmPolicy is the LLM write-access class of a document field. The JSON
 * Schema for strict structured output is generated from these annotations
 * (internal/aibuilder/llmschema); a reachable field without one fails the
 * build-time exhaustiveness check, so every new proto field forces an
 * explicit decision.
 */
export type LlmPolicy = 
/**
 * Not classified. The schema generator refuses to build — this is the
 * fail-loud state, never a valid annotation.
 */
'LLM_POLICY_UNSPECIFIED'
/**
 * In the LLM output schema: the model sees the field and re-emits it on
 * every (re)generation.
 */
 | 'LLM_POLICY_MODEL'
/**
 * Read-only context: shown to the model in <current_block> / planner
 * summaries but absent from the output schema. Preserved in code across
 * regeneration (preserveClientManagedFields).
 */
 | 'LLM_POLICY_CONTEXT'
/**
 * Invisible to the model entirely (pure client round-trip data:
 * translations maps, media ids, user-authored code). Preserved in code.
 */
 | 'LLM_POLICY_CLIENT';
/**
 * LlmField carries the policy plus the JSON-Schema constraints applied when
 * the field is rendered into the strict-output schema. Constraint fields are
 * honoured only for policy = LLM_POLICY_MODEL.
 */
export type LlmField = {
    policy: LlmPolicy;
    /** String fields: regex the decoder must match (e.g. hex colours). */
    pattern?: string;
    /** String fields: JSON-Schema minLength. */
    minLength?: number;
    /** Repeated fields: JSON-Schema minItems / maxItems. */
    minItems?: number;
    maxItems?: number;
    /** Numeric fields: JSON-Schema minimum / maximum. */
    minimum?: number;
    maximum?: number;
    /**
     * Enum fields: include the *_UNSPECIFIED value in the schema enum (used
     * where UNSPECIFIED means "inherit" and is a valid model choice).
     */
    allowUnspecified?: boolean;
    /**
     * Enum fields: value names dropped from the schema enum (deprecated
     * values kept only for wire compatibility, e.g. CARD_IMAGE_FIT_FILL).
     */
    excludeValues: string[];
    /**
     * String fields whose enum is the document's text-variant keys, resolved
     * per request (TextBlock.variant).
     */
    variantEnum?: boolean;
    /**
     * Proto-optional string fields that must NOT become nullable in the
     * schema — empty string is the field's own "unset" idiom
     * (AiBuilderColumn.width).
     */
    noNull?: boolean;
};