import type { NormalizedWebhook } from './pipedrive-adapter.js';
import type { PipedriveAdapterConfig, PipedriveWebhookBasicAuthConfig } from './types.js';
export declare const PIPEDRIVE_PROVIDER = "pipedrive";
export declare const PIPEDRIVE_AUTHORIZATION_HEADER = "authorization";
export declare const PIPEDRIVE_EVENT_ACTION_HEADER = "x-pipedrive-event-action";
export declare const PIPEDRIVE_EVENT_OBJECT_HEADER = "x-pipedrive-event-object";
export declare const PIPEDRIVE_TIMESTAMP_HEADER = "x-pipedrive-timestamp";
type PipedriveRecord = Record<string, unknown>;
type HeaderValue = boolean | number | readonly string[] | string | null | undefined;
export type PipedriveWebhookHeaders = Headers | Iterable<readonly [string, string]> | Record<string, HeaderValue>;
export interface PipedriveWebhookConnectionMetadata {
    connectionId?: string;
    deliveryId?: string;
    provider: string;
    providerConfigKey?: string;
    requestId?: string;
    webhookTimestamp?: number;
}
export interface PipedriveWebhookAuthValidationResult {
    expectedAuthorization?: string;
    ok: boolean;
    reason?: 'invalid-authorization' | 'missing-authorization' | 'missing-credentials';
    receivedAuthorization?: string;
}
export interface PipedriveWebhookTimestampValidationResult {
    driftMs?: number;
    ok: boolean;
    reason?: 'missing-timestamp' | 'stale-timestamp';
    webhookTimestamp?: number;
}
export declare function normalizePipedriveWebhook(rawPayload: unknown, headers?: PipedriveWebhookHeaders, config?: PipedriveAdapterConfig): NormalizedWebhook;
export declare function parsePipedriveWebhookPayload(rawPayload: unknown): PipedriveRecord;
export declare function computePipedriveBasicAuthorization(credentials: PipedriveWebhookBasicAuthConfig): string;
export declare function validatePipedriveWebhookBasicAuth(headers: PipedriveWebhookHeaders, credentials: PipedriveWebhookBasicAuthConfig | undefined): PipedriveWebhookAuthValidationResult;
export declare function assertValidPipedriveWebhookBasicAuth(headers: PipedriveWebhookHeaders, credentials: PipedriveWebhookBasicAuthConfig | undefined): void;
export declare function validatePipedriveWebhookTimestamp(payload: unknown, headers?: PipedriveWebhookHeaders, toleranceMs?: number, now?: number): PipedriveWebhookTimestampValidationResult;
export declare function assertValidPipedriveWebhookTimestamp(payload: unknown, headers?: PipedriveWebhookHeaders, toleranceMs?: number, now?: number): void;
export declare function extractPipedriveConnectionMetadata(payload: unknown, headers?: PipedriveWebhookHeaders): PipedriveWebhookConnectionMetadata;
export declare function extractPipedriveEventType(payload: unknown, headers?: PipedriveWebhookHeaders, objectType?: string, action?: string): string;
export declare function extractPipedriveObjectType(payload: unknown, headers?: PipedriveWebhookHeaders): string;
export declare function extractPipedriveAction(payload: unknown, headers?: PipedriveWebhookHeaders): string;
export declare function extractPipedriveObjectId(payload: unknown, objectType?: string): string;
export declare function computePipedriveBodyDigest(rawPayload: unknown, salt?: string): string;
export {};
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